# git rev-parse -q --verify 650c8207e3e6dcc93fc2c48e43da9440cadbca18^{commit}
650c8207e3e6dcc93fc2c48e43da9440cadbca18
already have revision, skipping fetch
# git checkout -q -f -B kisskb 650c8207e3e6dcc93fc2c48e43da9440cadbca18
# git clean -qxdf
# < git log -1
# commit 650c8207e3e6dcc93fc2c48e43da9440cadbca18
# Author: Christophe Leroy <christophe.leroy@c-s.fr>
# Date:   Fri Oct 19 06:12:50 2018 +0000
# 
#     powerpc/msi: Fix compile error on mpc83xx
#     
#     mpic_get_primary_version() is not defined when not using MPIC.
#     The compile error log like:
#     
#     arch/powerpc/sysdev/built-in.o: In function `fsl_of_msi_probe':
#     fsl_msi.c:(.text+0x150c): undefined reference to `fsl_mpic_primary_get_version'
#     
#     Signed-off-by: Jia Hongtao <hongtao.jia@freescale.com>
#     Signed-off-by: Scott Wood <scottwood@freescale.com>
#     Reported-by: Radu Rendec <radu.rendec@gmail.com>
#     Fixes: 807d38b73b6 ("powerpc/mpic: Add get_version API both for internal and external use")
#     Cc: stable@vger.kernel.org
#     Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
#     Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version
# < git log --format=%s --max-count=1 650c8207e3e6dcc93fc2c48e43da9440cadbca18
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc32_allmodconfig_powerpc-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  ppc32_allmodconfig
# make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc32_allmodconfig_powerpc-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  
/kisskb/src/scripts/unifdef.c: In function 'Mpass':
/kisskb/src/scripts/unifdef.c:453:28: warning: 'strncpy' output truncated before terminating nul copying 4 bytes from a string of the same length [-Wstringop-truncation]
 static void Mpass (void) { strncpy(keyword, "if  ", 4); Pelif(); }
                            ^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /kisskb/src/include/linux/bitmap.h:9,
                 from /kisskb/src/include/linux/cpumask.h:12,
                 from /kisskb/src/include/linux/rcupdate.h:44,
                 from /kisskb/src/include/linux/rculist.h:11,
                 from /kisskb/src/include/linux/pid.h:5,
                 from /kisskb/src/include/linux/sched.h:14,
                 from /kisskb/src/kernel/debug/kdb/kdb_support.c:15:
In function 'strncpy',
    inlined from 'kallsyms_symbol_next' at /kisskb/src/kernel/debug/kdb/kdb_support.c:239:4:
/kisskb/src/include/linux/string.h:246:9: warning: '__builtin_strncpy' specified bound depends on the length of the source argument [-Wstringop-overflow=]
  return __builtin_strncpy(p, q, size);
         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/kisskb/src/kernel/debug/kdb/kdb_support.c: In function 'kallsyms_symbol_next':
/kisskb/src/include/linux/string.h:267:10: note: length computed here
   return __builtin_strlen(p);
          ^~~~~~~~~~~~~~~~~~~
In file included from /kisskb/src/include/linux/bitmap.h:9,
                 from /kisskb/src/include/linux/cpumask.h:12,
                 from /kisskb/src/include/linux/rcupdate.h:44,
                 from /kisskb/src/include/linux/rculist.h:11,
                 from /kisskb/src/include/linux/pid.h:5,
                 from /kisskb/src/include/linux/sched.h:14,
                 from /kisskb/src/arch/powerpc/kernel/ptrace.c:19:
In function 'memcpy',
    inlined from 'user_regset_copyin' at /kisskb/src/include/linux/regset.h:295:4,
    inlined from 'vr_set' at /kisskb/src/arch/powerpc/kernel/ptrace.c:619:9:
/kisskb/src/include/linux/string.h:345:9: warning: '__builtin_memcpy' offset [-527, -529] is out of the bounds [0, 16] of object 'vrsave' with type 'union <anonymous>' [-Warray-bounds]
  return __builtin_memcpy(p, q, size);
         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/kisskb/src/arch/powerpc/kernel/ptrace.c: In function 'vr_set':
/kisskb/src/arch/powerpc/kernel/ptrace.c:614:5: note: 'vrsave' declared here
   } vrsave;
     ^~~~~~
In file included from /kisskb/src/include/linux/bitmap.h:9,
                 from /kisskb/src/include/linux/cpumask.h:12,
                 from /kisskb/src/include/linux/rcupdate.h:44,
                 from /kisskb/src/include/linux/rculist.h:11,
                 from /kisskb/src/include/linux/pid.h:5,
                 from /kisskb/src/include/linux/sched.h:14,
                 from /kisskb/src/arch/powerpc/kernel/ptrace.c:19:
In function 'memcpy',
    inlined from 'user_regset_copyout' at /kisskb/src/include/linux/regset.h:270:4,
    inlined from 'vr_get' at /kisskb/src/arch/powerpc/kernel/ptrace.c:572:9:
/kisskb/src/include/linux/string.h:345:9: warning: '__builtin_memcpy' offset [-527, -529] is out of the bounds [0, 16] of object 'vrsave' with type 'union <anonymous>' [-Warray-bounds]
  return __builtin_memcpy(p, q, size);
         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/kisskb/src/arch/powerpc/kernel/ptrace.c: In function 'vr_get':
/kisskb/src/arch/powerpc/kernel/ptrace.c:567:5: note: 'vrsave' declared here
   } vrsave;
     ^~~~~~
In file included from /kisskb/src/arch/powerpc/include/asm/book3s/pgtable.h:8,
                 from /kisskb/src/arch/powerpc/include/asm/pgtable.h:18,
                 from /kisskb/src/include/linux/hugetlb.h:12,
                 from /kisskb/src/arch/powerpc/mm/dump_linuxpagetables.c:19:
/kisskb/src/arch/powerpc/mm/dump_linuxpagetables.c: In function 'populate_markers':
/kisskb/src/arch/powerpc/include/asm/book3s/32/pgtable.h:143:19: error: 'PKMAP_BASE' undeclared (first use in this function); did you mean 'AT_BASE'?
 #define KVIRT_TOP PKMAP_BASE
                   ^~~~~~~~~~
/kisskb/src/arch/powerpc/include/asm/book3s/32/pgtable.h:154:23: note: in expansion of macro 'KVIRT_TOP'
 #define IOREMAP_TOP ((KVIRT_TOP - CONFIG_CONSISTENT_SIZE) & PAGE_MASK)
                       ^~~~~~~~~
/kisskb/src/arch/powerpc/mm/dump_linuxpagetables.c:306:39: note: in expansion of macro 'IOREMAP_TOP'
  address_markers[i++].start_address = IOREMAP_TOP;
                                       ^~~~~~~~~~~
/kisskb/src/arch/powerpc/include/asm/book3s/32/pgtable.h:143:19: note: each undeclared identifier is reported only once for each function it appears in
 #define KVIRT_TOP PKMAP_BASE
                   ^~~~~~~~~~
/kisskb/src/arch/powerpc/include/asm/book3s/32/pgtable.h:154:23: note: in expansion of macro 'KVIRT_TOP'
 #define IOREMAP_TOP ((KVIRT_TOP - CONFIG_CONSISTENT_SIZE) & PAGE_MASK)
                       ^~~~~~~~~
/kisskb/src/arch/powerpc/mm/dump_linuxpagetables.c:306:39: note: in expansion of macro 'IOREMAP_TOP'
  address_markers[i++].start_address = IOREMAP_TOP;
                                       ^~~~~~~~~~~
/kisskb/src/arch/powerpc/mm/dump_linuxpagetables.c:314:39: error: implicit declaration of function 'PKMAP_ADDR'; did you mean 'PCI_IO_ADDR'? [-Werror=implicit-function-declaration]
  address_markers[i++].start_address = PKMAP_ADDR(LAST_PKMAP);
                                       ^~~~~~~~~~
                                       PCI_IO_ADDR
/kisskb/src/arch/powerpc/mm/dump_linuxpagetables.c:314:50: error: 'LAST_PKMAP' undeclared (first use in this function); did you mean 'LIST_HEAD'?
  address_markers[i++].start_address = PKMAP_ADDR(LAST_PKMAP);
                                                  ^~~~~~~~~~
                                                  LIST_HEAD
cc1: some warnings being treated as errors
make[3]: *** [/kisskb/src/scripts/Makefile.build:305: arch/powerpc/mm/dump_linuxpagetables.o] Error 1
make[3]: *** Waiting for unfinished jobs....
make[2]: *** [/kisskb/src/scripts/Makefile.build:546: arch/powerpc/mm] Error 2
make[2]: *** Waiting for unfinished jobs....
/kisskb/src/arch/powerpc/platforms/52xx/lite5200_sleep.S: Assembler messages:
/kisskb/src/arch/powerpc/platforms/52xx/lite5200_sleep.S:184: Warning: invalid register expression
/kisskb/src/arch/powerpc/kernel/head_32.S: Assembler messages:
/kisskb/src/arch/powerpc/kernel/head_32.S:990: Warning: invalid register expression
/kisskb/src/sound/aoa/codecs/onyx.c: In function 'onyx_snd_single_bit_get':
/kisskb/src/sound/aoa/codecs/onyx.c:380:37: warning: 'c' may be used uninitialized in this function [-Wmaybe-uninitialized]
  ucontrol->value.integer.value[0] = !!(c & mask) ^ polarity;
                                     ^~~~~~~~~~~~
make[1]: *** [/kisskb/src/Makefile:1060: arch/powerpc] Error 2
make[1]: *** Waiting for unfinished jobs....
In file included from /kisskb/src/include/linux/cache.h:5,
                 from /kisskb/src/include/linux/printk.h:9,
                 from /kisskb/src/include/linux/kernel.h:14,
                 from /kisskb/src/include/linux/list.h:9,
                 from /kisskb/src/include/linux/module.h:9,
                 from /kisskb/src/mm/zsmalloc.c:33:
/kisskb/src/mm/zsmalloc.c:130:49: warning: right shift count is negative [-Wshift-count-negative]
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
                                                 ^~
/kisskb/src/include/uapi/linux/kernel.h:13:40: note: in definition of macro '__KERNEL_DIV_ROUND_UP'
 #define __KERNEL_DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
                                        ^
/kisskb/src/mm/zsmalloc.c:130:2: note: in expansion of macro 'MAX'
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
  ^~~
/kisskb/src/mm/zsmalloc.c:148:59: note: in expansion of macro 'ZS_MIN_ALLOC_SIZE'
 #define ZS_SIZE_CLASSES (DIV_ROUND_UP(ZS_MAX_ALLOC_SIZE - ZS_MIN_ALLOC_SIZE, \
                                                           ^~~~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:253:32: note: in expansion of macro 'ZS_SIZE_CLASSES'
  struct size_class *size_class[ZS_SIZE_CLASSES];
                                ^~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:130:49: warning: right shift count is negative [-Wshift-count-negative]
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
                                                 ^~
/kisskb/src/include/uapi/linux/kernel.h:13:40: note: in definition of macro '__KERNEL_DIV_ROUND_UP'
 #define __KERNEL_DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
                                        ^
/kisskb/src/mm/zsmalloc.c:130:2: note: in expansion of macro 'MAX'
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
  ^~~
/kisskb/src/mm/zsmalloc.c:148:59: note: in expansion of macro 'ZS_MIN_ALLOC_SIZE'
 #define ZS_SIZE_CLASSES (DIV_ROUND_UP(ZS_MAX_ALLOC_SIZE - ZS_MIN_ALLOC_SIZE, \
                                                           ^~~~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:253:32: note: in expansion of macro 'ZS_SIZE_CLASSES'
  struct size_class *size_class[ZS_SIZE_CLASSES];
                                ^~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:253:21: error: variably modified 'size_class' at file scope
  struct size_class *size_class[ZS_SIZE_CLASSES];
                     ^~~~~~~~~~
In file included from /kisskb/src/include/linux/kernel.h:10,
                 from /kisskb/src/include/linux/list.h:9,
                 from /kisskb/src/include/linux/module.h:9,
                 from /kisskb/src/mm/zsmalloc.c:33:
/kisskb/src/mm/zsmalloc.c: In function 'get_size_class_index':
/kisskb/src/mm/zsmalloc.c:130:49: warning: right shift count is negative [-Wshift-count-negative]
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
                                                 ^~
/kisskb/src/include/linux/compiler.h:76:40: note: in definition of macro 'likely'
 # define likely(x) __builtin_expect(!!(x), 1)
                                        ^
/kisskb/src/mm/zsmalloc.c:130:2: note: in expansion of macro 'MAX'
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
  ^~~
/kisskb/src/mm/zsmalloc.c:540:20: note: in expansion of macro 'ZS_MIN_ALLOC_SIZE'
  if (likely(size > ZS_MIN_ALLOC_SIZE))
                    ^~~~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:130:49: warning: right shift count is negative [-Wshift-count-negative]
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
                                                 ^~
/kisskb/src/include/linux/compiler.h:76:40: note: in definition of macro 'likely'
 # define likely(x) __builtin_expect(!!(x), 1)
                                        ^
/kisskb/src/mm/zsmalloc.c:130:2: note: in expansion of macro 'MAX'
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
  ^~~
/kisskb/src/mm/zsmalloc.c:540:20: note: in expansion of macro 'ZS_MIN_ALLOC_SIZE'
  if (likely(size > ZS_MIN_ALLOC_SIZE))
                    ^~~~~~~~~~~~~~~~~
In file included from /kisskb/src/include/linux/cache.h:5,
                 from /kisskb/src/include/linux/printk.h:9,
                 from /kisskb/src/include/linux/kernel.h:14,
                 from /kisskb/src/include/linux/list.h:9,
                 from /kisskb/src/include/linux/module.h:9,
                 from /kisskb/src/mm/zsmalloc.c:33:
/kisskb/src/mm/zsmalloc.c:130:49: warning: right shift count is negative [-Wshift-count-negative]
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
                                                 ^~
/kisskb/src/include/uapi/linux/kernel.h:13:40: note: in definition of macro '__KERNEL_DIV_ROUND_UP'
 #define __KERNEL_DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
                                        ^
/kisskb/src/mm/zsmalloc.c:130:2: note: in expansion of macro 'MAX'
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
  ^~~
/kisskb/src/mm/zsmalloc.c:541:29: note: in expansion of macro 'ZS_MIN_ALLOC_SIZE'
   idx = DIV_ROUND_UP(size - ZS_MIN_ALLOC_SIZE,
                             ^~~~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:130:49: warning: right shift count is negative [-Wshift-count-negative]
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
                                                 ^~
/kisskb/src/include/uapi/linux/kernel.h:13:40: note: in definition of macro '__KERNEL_DIV_ROUND_UP'
 #define __KERNEL_DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
                                        ^
/kisskb/src/mm/zsmalloc.c:130:2: note: in expansion of macro 'MAX'
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
  ^~~
/kisskb/src/mm/zsmalloc.c:541:29: note: in expansion of macro 'ZS_MIN_ALLOC_SIZE'
   idx = DIV_ROUND_UP(size - ZS_MIN_ALLOC_SIZE,
                             ^~~~~~~~~~~~~~~~~
In file included from /kisskb/src/include/linux/list.h:9,
                 from /kisskb/src/include/linux/module.h:9,
                 from /kisskb/src/mm/zsmalloc.c:33:
/kisskb/src/mm/zsmalloc.c:130:49: warning: right shift count is negative [-Wshift-count-negative]
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
                                                 ^~
/kisskb/src/include/linux/kernel.h:861:27: note: in definition of macro '__cmp'
 #define __cmp(x, y, op) ((x) op (y) ? (x) : (y))
                           ^
/kisskb/src/include/linux/kernel.h:937:27: note: in expansion of macro '__careful_cmp'
 #define min_t(type, x, y) __careful_cmp((type)(x), (type)(y), <)
                           ^~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:544:9: note: in expansion of macro 'min_t'
  return min_t(int, ZS_SIZE_CLASSES - 1, idx);
         ^~~~~
/kisskb/src/include/linux/kernel.h:116:22: note: in expansion of macro '__KERNEL_DIV_ROUND_UP'
 #define DIV_ROUND_UP __KERNEL_DIV_ROUND_UP
                      ^~~~~~~~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:130:2: note: in expansion of macro 'MAX'
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
  ^~~
/kisskb/src/mm/zsmalloc.c:148:59: note: in expansion of macro 'ZS_MIN_ALLOC_SIZE'
 #define ZS_SIZE_CLASSES (DIV_ROUND_UP(ZS_MAX_ALLOC_SIZE - ZS_MIN_ALLOC_SIZE, \
                                                           ^~~~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:544:20: note: in expansion of macro 'ZS_SIZE_CLASSES'
  return min_t(int, ZS_SIZE_CLASSES - 1, idx);
                    ^~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:130:49: warning: right shift count is negative [-Wshift-count-negative]
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
                                                 ^~
/kisskb/src/include/linux/kernel.h:861:27: note: in definition of macro '__cmp'
 #define __cmp(x, y, op) ((x) op (y) ? (x) : (y))
                           ^
/kisskb/src/include/linux/kernel.h:937:27: note: in expansion of macro '__careful_cmp'
 #define min_t(type, x, y) __careful_cmp((type)(x), (type)(y), <)
                           ^~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:544:9: note: in expansion of macro 'min_t'
  return min_t(int, ZS_SIZE_CLASSES - 1, idx);
         ^~~~~
/kisskb/src/include/linux/kernel.h:116:22: note: in expansion of macro '__KERNEL_DIV_ROUND_UP'
 #define DIV_ROUND_UP __KERNEL_DIV_ROUND_UP
                      ^~~~~~~~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:130:2: note: in expansion of macro 'MAX'
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
  ^~~
/kisskb/src/mm/zsmalloc.c:148:59: note: in expansion of macro 'ZS_MIN_ALLOC_SIZE'
 #define ZS_SIZE_CLASSES (DIV_ROUND_UP(ZS_MAX_ALLOC_SIZE - ZS_MIN_ALLOC_SIZE, \
                                                           ^~~~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:544:20: note: in expansion of macro 'ZS_SIZE_CLASSES'
  return min_t(int, ZS_SIZE_CLASSES - 1, idx);
                    ^~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:130:49: warning: right shift count is negative [-Wshift-count-negative]
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
                                                 ^~
/kisskb/src/include/linux/kernel.h:861:40: note: in definition of macro '__cmp'
 #define __cmp(x, y, op) ((x) op (y) ? (x) : (y))
                                        ^
/kisskb/src/include/linux/kernel.h:937:27: note: in expansion of macro '__careful_cmp'
 #define min_t(type, x, y) __careful_cmp((type)(x), (type)(y), <)
                           ^~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:544:9: note: in expansion of macro 'min_t'
  return min_t(int, ZS_SIZE_CLASSES - 1, idx);
         ^~~~~
/kisskb/src/include/linux/kernel.h:116:22: note: in expansion of macro '__KERNEL_DIV_ROUND_UP'
 #define DIV_ROUND_UP __KERNEL_DIV_ROUND_UP
                      ^~~~~~~~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:130:2: note: in expansion of macro 'MAX'
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
  ^~~
/kisskb/src/mm/zsmalloc.c:148:59: note: in expansion of macro 'ZS_MIN_ALLOC_SIZE'
 #define ZS_SIZE_CLASSES (DIV_ROUND_UP(ZS_MAX_ALLOC_SIZE - ZS_MIN_ALLOC_SIZE, \
                                                           ^~~~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:544:20: note: in expansion of macro 'ZS_SIZE_CLASSES'
  return min_t(int, ZS_SIZE_CLASSES - 1, idx);
                    ^~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:130:49: warning: right shift count is negative [-Wshift-count-negative]
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
                                                 ^~
/kisskb/src/include/linux/kernel.h:861:40: note: in definition of macro '__cmp'
 #define __cmp(x, y, op) ((x) op (y) ? (x) : (y))
                                        ^
/kisskb/src/include/linux/kernel.h:937:27: note: in expansion of macro '__careful_cmp'
 #define min_t(type, x, y) __careful_cmp((type)(x), (type)(y), <)
                           ^~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:544:9: note: in expansion of macro 'min_t'
  return min_t(int, ZS_SIZE_CLASSES - 1, idx);
         ^~~~~
/kisskb/src/include/linux/kernel.h:116:22: note: in expansion of macro '__KERNEL_DIV_ROUND_UP'
 #define DIV_ROUND_UP __KERNEL_DIV_ROUND_UP
                      ^~~~~~~~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:130:2: note: in expansion of macro 'MAX'
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
  ^~~
/kisskb/src/mm/zsmalloc.c:148:59: note: in expansion of macro 'ZS_MIN_ALLOC_SIZE'
 #define ZS_SIZE_CLASSES (DIV_ROUND_UP(ZS_MAX_ALLOC_SIZE - ZS_MIN_ALLOC_SIZE, \
                                                           ^~~~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:544:20: note: in expansion of macro 'ZS_SIZE_CLASSES'
  return min_t(int, ZS_SIZE_CLASSES - 1, idx);
                    ^~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:130:49: warning: right shift count is negative [-Wshift-count-negative]
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
                                                 ^~
/kisskb/src/include/linux/kernel.h:864:25: note: in definition of macro '__cmp_once'
   typeof(x) unique_x = (x);  \
                         ^
/kisskb/src/include/linux/kernel.h:937:27: note: in expansion of macro '__careful_cmp'
 #define min_t(type, x, y) __careful_cmp((type)(x), (type)(y), <)
                           ^~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:544:9: note: in expansion of macro 'min_t'
  return min_t(int, ZS_SIZE_CLASSES - 1, idx);
         ^~~~~
/kisskb/src/include/linux/kernel.h:116:22: note: in expansion of macro '__KERNEL_DIV_ROUND_UP'
 #define DIV_ROUND_UP __KERNEL_DIV_ROUND_UP
                      ^~~~~~~~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:130:2: note: in expansion of macro 'MAX'
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
  ^~~
/kisskb/src/mm/zsmalloc.c:148:59: note: in expansion of macro 'ZS_MIN_ALLOC_SIZE'
 #define ZS_SIZE_CLASSES (DIV_ROUND_UP(ZS_MAX_ALLOC_SIZE - ZS_MIN_ALLOC_SIZE, \
                                                           ^~~~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:544:20: note: in expansion of macro 'ZS_SIZE_CLASSES'
  return min_t(int, ZS_SIZE_CLASSES - 1, idx);
                    ^~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:130:49: warning: right shift count is negative [-Wshift-count-negative]
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
                                                 ^~
/kisskb/src/include/linux/kernel.h:864:25: note: in definition of macro '__cmp_once'
   typeof(x) unique_x = (x);  \
                         ^
/kisskb/src/include/linux/kernel.h:937:27: note: in expansion of macro '__careful_cmp'
 #define min_t(type, x, y) __careful_cmp((type)(x), (type)(y), <)
                           ^~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:544:9: note: in expansion of macro 'min_t'
  return min_t(int, ZS_SIZE_CLASSES - 1, idx);
         ^~~~~
/kisskb/src/include/linux/kernel.h:116:22: note: in expansion of macro '__KERNEL_DIV_ROUND_UP'
 #define DIV_ROUND_UP __KERNEL_DIV_ROUND_UP
                      ^~~~~~~~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:130:2: note: in expansion of macro 'MAX'
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
  ^~~
/kisskb/src/mm/zsmalloc.c:148:59: note: in expansion of macro 'ZS_MIN_ALLOC_SIZE'
 #define ZS_SIZE_CLASSES (DIV_ROUND_UP(ZS_MAX_ALLOC_SIZE - ZS_MIN_ALLOC_SIZE, \
                                                           ^~~~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:544:20: note: in expansion of macro 'ZS_SIZE_CLASSES'
  return min_t(int, ZS_SIZE_CLASSES - 1, idx);
                    ^~~~~~~~~~~~~~~
In file included from /kisskb/src/include/linux/cache.h:5,
                 from /kisskb/src/include/linux/printk.h:9,
                 from /kisskb/src/include/linux/kernel.h:14,
                 from /kisskb/src/include/linux/list.h:9,
                 from /kisskb/src/include/linux/module.h:9,
                 from /kisskb/src/mm/zsmalloc.c:33:
/kisskb/src/mm/zsmalloc.c: In function 'zs_stats_size_show':
/kisskb/src/mm/zsmalloc.c:130:49: warning: right shift count is negative [-Wshift-count-negative]
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
                                                 ^~
/kisskb/src/include/uapi/linux/kernel.h:13:40: note: in definition of macro '__KERNEL_DIV_ROUND_UP'
 #define __KERNEL_DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
                                        ^
/kisskb/src/mm/zsmalloc.c:130:2: note: in expansion of macro 'MAX'
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
  ^~~
/kisskb/src/mm/zsmalloc.c:148:59: note: in expansion of macro 'ZS_MIN_ALLOC_SIZE'
 #define ZS_SIZE_CLASSES (DIV_ROUND_UP(ZS_MAX_ALLOC_SIZE - ZS_MIN_ALLOC_SIZE, \
                                                           ^~~~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:606:18: note: in expansion of macro 'ZS_SIZE_CLASSES'
  for (i = 0; i < ZS_SIZE_CLASSES; i++) {
                  ^~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:130:49: warning: right shift count is negative [-Wshift-count-negative]
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
                                                 ^~
/kisskb/src/include/uapi/linux/kernel.h:13:40: note: in definition of macro '__KERNEL_DIV_ROUND_UP'
 #define __KERNEL_DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
                                        ^
/kisskb/src/mm/zsmalloc.c:130:2: note: in expansion of macro 'MAX'
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
  ^~~
/kisskb/src/mm/zsmalloc.c:148:59: note: in expansion of macro 'ZS_MIN_ALLOC_SIZE'
 #define ZS_SIZE_CLASSES (DIV_ROUND_UP(ZS_MAX_ALLOC_SIZE - ZS_MIN_ALLOC_SIZE, \
                                                           ^~~~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:606:18: note: in expansion of macro 'ZS_SIZE_CLASSES'
  for (i = 0; i < ZS_SIZE_CLASSES; i++) {
                  ^~~~~~~~~~~~~~~
In file included from /kisskb/src/arch/powerpc/include/asm/page.h:353,
                 from /kisskb/src/arch/powerpc/include/asm/thread_info.h:29,
                 from /kisskb/src/include/linux/thread_info.h:38,
                 from /kisskb/src/include/asm-generic/preempt.h:5,
                 from ./arch/powerpc/include/generated/asm/preempt.h:1,
                 from /kisskb/src/include/linux/preempt.h:81,
                 from /kisskb/src/include/linux/spinlock.h:51,
                 from /kisskb/src/include/linux/seqlock.h:36,
                 from /kisskb/src/include/linux/time.h:6,
                 from /kisskb/src/include/linux/stat.h:19,
                 from /kisskb/src/include/linux/module.h:10,
                 from /kisskb/src/mm/zsmalloc.c:33:
/kisskb/src/mm/zsmalloc.c: In function 'obj_to_location':
/kisskb/src/mm/zsmalloc.c:863:26: warning: right shift count is negative [-Wshift-count-negative]
  *page = pfn_to_page(obj >> OBJ_INDEX_BITS);
                          ^~
/kisskb/src/include/asm-generic/memory_model.h:33:41: note: in definition of macro '__pfn_to_page'
 #define __pfn_to_page(pfn) (mem_map + ((pfn) - ARCH_PFN_OFFSET))
                                         ^~~
/kisskb/src/mm/zsmalloc.c:863:10: note: in expansion of macro 'pfn_to_page'
  *page = pfn_to_page(obj >> OBJ_INDEX_BITS);
          ^~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:120:37: warning: left shift count is negative [-Wshift-count-negative]
 #define OBJ_INDEX_MASK ((_AC(1, UL) << OBJ_INDEX_BITS) - 1)
                                     ^~
/kisskb/src/mm/zsmalloc.c:864:20: note: in expansion of macro 'OBJ_INDEX_MASK'
  *obj_idx = (obj & OBJ_INDEX_MASK);
                    ^~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c: In function 'location_to_obj':
/kisskb/src/mm/zsmalloc.c:876:26: warning: left shift count is negative [-Wshift-count-negative]
  obj = page_to_pfn(page) << OBJ_INDEX_BITS;
                          ^~
/kisskb/src/mm/zsmalloc.c:120:37: warning: left shift count is negative [-Wshift-count-negative]
 #define OBJ_INDEX_MASK ((_AC(1, UL) << OBJ_INDEX_BITS) - 1)
                                     ^~
/kisskb/src/mm/zsmalloc.c:877:19: note: in expansion of macro 'OBJ_INDEX_MASK'
  obj |= obj_idx & OBJ_INDEX_MASK;
                   ^~~~~~~~~~~~~~
In file included from /kisskb/src/include/linux/cache.h:5,
                 from /kisskb/src/include/linux/printk.h:9,
                 from /kisskb/src/include/linux/kernel.h:14,
                 from /kisskb/src/include/linux/list.h:9,
                 from /kisskb/src/include/linux/module.h:9,
                 from /kisskb/src/mm/zsmalloc.c:33:
/kisskb/src/mm/zsmalloc.c: In function 'async_free_zspage':
/kisskb/src/mm/zsmalloc.c:130:49: warning: right shift count is negative [-Wshift-count-negative]
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
                                                 ^~
/kisskb/src/include/uapi/linux/kernel.h:13:40: note: in definition of macro '__KERNEL_DIV_ROUND_UP'
 #define __KERNEL_DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
                                        ^
/kisskb/src/mm/zsmalloc.c:130:2: note: in expansion of macro 'MAX'
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
  ^~~
/kisskb/src/mm/zsmalloc.c:148:59: note: in expansion of macro 'ZS_MIN_ALLOC_SIZE'
 #define ZS_SIZE_CLASSES (DIV_ROUND_UP(ZS_MAX_ALLOC_SIZE - ZS_MIN_ALLOC_SIZE, \
                                                           ^~~~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:2151:18: note: in expansion of macro 'ZS_SIZE_CLASSES'
  for (i = 0; i < ZS_SIZE_CLASSES; i++) {
                  ^~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:130:49: warning: right shift count is negative [-Wshift-count-negative]
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
                                                 ^~
/kisskb/src/include/uapi/linux/kernel.h:13:40: note: in definition of macro '__KERNEL_DIV_ROUND_UP'
 #define __KERNEL_DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
                                        ^
/kisskb/src/mm/zsmalloc.c:130:2: note: in expansion of macro 'MAX'
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
  ^~~
/kisskb/src/mm/zsmalloc.c:148:59: note: in expansion of macro 'ZS_MIN_ALLOC_SIZE'
 #define ZS_SIZE_CLASSES (DIV_ROUND_UP(ZS_MAX_ALLOC_SIZE - ZS_MIN_ALLOC_SIZE, \
                                                           ^~~~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:2151:18: note: in expansion of macro 'ZS_SIZE_CLASSES'
  for (i = 0; i < ZS_SIZE_CLASSES; i++) {
                  ^~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c: In function 'zs_compact':
/kisskb/src/mm/zsmalloc.c:130:49: warning: right shift count is negative [-Wshift-count-negative]
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
                                                 ^~
/kisskb/src/include/uapi/linux/kernel.h:13:40: note: in definition of macro '__KERNEL_DIV_ROUND_UP'
 #define __KERNEL_DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
                                        ^
/kisskb/src/mm/zsmalloc.c:130:2: note: in expansion of macro 'MAX'
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
  ^~~
/kisskb/src/mm/zsmalloc.c:148:59: note: in expansion of macro 'ZS_MIN_ALLOC_SIZE'
 #define ZS_SIZE_CLASSES (DIV_ROUND_UP(ZS_MAX_ALLOC_SIZE - ZS_MIN_ALLOC_SIZE, \
                                                           ^~~~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:2269:11: note: in expansion of macro 'ZS_SIZE_CLASSES'
  for (i = ZS_SIZE_CLASSES - 1; i >= 0; i--) {
           ^~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:130:49: warning: right shift count is negative [-Wshift-count-negative]
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
                                                 ^~
/kisskb/src/include/uapi/linux/kernel.h:13:40: note: in definition of macro '__KERNEL_DIV_ROUND_UP'
 #define __KERNEL_DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
                                        ^
/kisskb/src/mm/zsmalloc.c:130:2: note: in expansion of macro 'MAX'
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
  ^~~
/kisskb/src/mm/zsmalloc.c:148:59: note: in expansion of macro 'ZS_MIN_ALLOC_SIZE'
 #define ZS_SIZE_CLASSES (DIV_ROUND_UP(ZS_MAX_ALLOC_SIZE - ZS_MIN_ALLOC_SIZE, \
                                                           ^~~~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:2269:11: note: in expansion of macro 'ZS_SIZE_CLASSES'
  for (i = ZS_SIZE_CLASSES - 1; i >= 0; i--) {
           ^~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c: In function 'zs_shrinker_count':
/kisskb/src/mm/zsmalloc.c:130:49: warning: right shift count is negative [-Wshift-count-negative]
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
                                                 ^~
/kisskb/src/include/uapi/linux/kernel.h:13:40: note: in definition of macro '__KERNEL_DIV_ROUND_UP'
 #define __KERNEL_DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
                                        ^
/kisskb/src/mm/zsmalloc.c:130:2: note: in expansion of macro 'MAX'
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
  ^~~
/kisskb/src/mm/zsmalloc.c:148:59: note: in expansion of macro 'ZS_MIN_ALLOC_SIZE'
 #define ZS_SIZE_CLASSES (DIV_ROUND_UP(ZS_MAX_ALLOC_SIZE - ZS_MIN_ALLOC_SIZE, \
                                                           ^~~~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:2315:11: note: in expansion of macro 'ZS_SIZE_CLASSES'
  for (i = ZS_SIZE_CLASSES - 1; i >= 0; i--) {
           ^~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:130:49: warning: right shift count is negative [-Wshift-count-negative]
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
                                                 ^~
/kisskb/src/include/uapi/linux/kernel.h:13:40: note: in definition of macro '__KERNEL_DIV_ROUND_UP'
 #define __KERNEL_DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
                                        ^
/kisskb/src/mm/zsmalloc.c:130:2: note: in expansion of macro 'MAX'
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
  ^~~
/kisskb/src/mm/zsmalloc.c:148:59: note: in expansion of macro 'ZS_MIN_ALLOC_SIZE'
 #define ZS_SIZE_CLASSES (DIV_ROUND_UP(ZS_MAX_ALLOC_SIZE - ZS_MIN_ALLOC_SIZE, \
                                                           ^~~~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:2315:11: note: in expansion of macro 'ZS_SIZE_CLASSES'
  for (i = ZS_SIZE_CLASSES - 1; i >= 0; i--) {
           ^~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c: In function 'zs_create_pool':
/kisskb/src/mm/zsmalloc.c:130:49: warning: right shift count is negative [-Wshift-count-negative]
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
                                                 ^~
/kisskb/src/include/uapi/linux/kernel.h:13:40: note: in definition of macro '__KERNEL_DIV_ROUND_UP'
 #define __KERNEL_DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
                                        ^
/kisskb/src/mm/zsmalloc.c:130:2: note: in expansion of macro 'MAX'
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
  ^~~
/kisskb/src/mm/zsmalloc.c:148:59: note: in expansion of macro 'ZS_MIN_ALLOC_SIZE'
 #define ZS_SIZE_CLASSES (DIV_ROUND_UP(ZS_MAX_ALLOC_SIZE - ZS_MIN_ALLOC_SIZE, \
                                                           ^~~~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:2376:11: note: in expansion of macro 'ZS_SIZE_CLASSES'
  for (i = ZS_SIZE_CLASSES - 1; i >= 0; i--) {
           ^~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:130:49: warning: right shift count is negative [-Wshift-count-negative]
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
                                                 ^~
/kisskb/src/include/uapi/linux/kernel.h:13:40: note: in definition of macro '__KERNEL_DIV_ROUND_UP'
 #define __KERNEL_DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
                                        ^
/kisskb/src/mm/zsmalloc.c:130:2: note: in expansion of macro 'MAX'
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
  ^~~
/kisskb/src/mm/zsmalloc.c:148:59: note: in expansion of macro 'ZS_MIN_ALLOC_SIZE'
 #define ZS_SIZE_CLASSES (DIV_ROUND_UP(ZS_MAX_ALLOC_SIZE - ZS_MIN_ALLOC_SIZE, \
                                                           ^~~~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:2376:11: note: in expansion of macro 'ZS_SIZE_CLASSES'
  for (i = ZS_SIZE_CLASSES - 1; i >= 0; i--) {
           ^~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:130:49: warning: right shift count is negative [-Wshift-count-negative]
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
                                                 ^~
/kisskb/src/mm/zsmalloc.c:127:28: note: in definition of macro 'MAX'
 #define MAX(a, b) ((a) >= (b) ? (a) : (b))
                            ^
/kisskb/src/mm/zsmalloc.c:2383:10: note: in expansion of macro 'ZS_MIN_ALLOC_SIZE'
   size = ZS_MIN_ALLOC_SIZE + i * ZS_SIZE_CLASS_DELTA;
          ^~~~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:130:49: warning: right shift count is negative [-Wshift-count-negative]
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
                                                 ^~
/kisskb/src/mm/zsmalloc.c:127:40: note: in definition of macro 'MAX'
 #define MAX(a, b) ((a) >= (b) ? (a) : (b))
                                        ^
/kisskb/src/mm/zsmalloc.c:2383:10: note: in expansion of macro 'ZS_MIN_ALLOC_SIZE'
   size = ZS_MIN_ALLOC_SIZE + i * ZS_SIZE_CLASS_DELTA;
          ^~~~~~~~~~~~~~~~~
In file included from /kisskb/src/include/linux/cache.h:5,
                 from /kisskb/src/include/linux/printk.h:9,
                 from /kisskb/src/include/linux/kernel.h:14,
                 from /kisskb/src/include/linux/list.h:9,
                 from /kisskb/src/include/linux/module.h:9,
                 from /kisskb/src/mm/zsmalloc.c:33:
/kisskb/src/mm/zsmalloc.c: In function 'zs_destroy_pool':
/kisskb/src/mm/zsmalloc.c:130:49: warning: right shift count is negative [-Wshift-count-negative]
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
                                                 ^~
/kisskb/src/include/uapi/linux/kernel.h:13:40: note: in definition of macro '__KERNEL_DIV_ROUND_UP'
 #define __KERNEL_DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
                                        ^
/kisskb/src/mm/zsmalloc.c:130:2: note: in expansion of macro 'MAX'
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
  ^~~
/kisskb/src/mm/zsmalloc.c:148:59: note: in expansion of macro 'ZS_MIN_ALLOC_SIZE'
 #define ZS_SIZE_CLASSES (DIV_ROUND_UP(ZS_MAX_ALLOC_SIZE - ZS_MIN_ALLOC_SIZE, \
                                                           ^~~~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:2473:18: note: in expansion of macro 'ZS_SIZE_CLASSES'
  for (i = 0; i < ZS_SIZE_CLASSES; i++) {
                  ^~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:130:49: warning: right shift count is negative [-Wshift-count-negative]
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
                                                 ^~
/kisskb/src/include/uapi/linux/kernel.h:13:40: note: in definition of macro '__KERNEL_DIV_ROUND_UP'
 #define __KERNEL_DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
                                        ^
/kisskb/src/mm/zsmalloc.c:130:2: note: in expansion of macro 'MAX'
  MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))
  ^~~
/kisskb/src/mm/zsmalloc.c:148:59: note: in expansion of macro 'ZS_MIN_ALLOC_SIZE'
 #define ZS_SIZE_CLASSES (DIV_ROUND_UP(ZS_MAX_ALLOC_SIZE - ZS_MIN_ALLOC_SIZE, \
                                                           ^~~~~~~~~~~~~~~~~
/kisskb/src/mm/zsmalloc.c:2473:18: note: in expansion of macro 'ZS_SIZE_CLASSES'
  for (i = 0; i < ZS_SIZE_CLASSES; i++) {
                  ^~~~~~~~~~~~~~~
make[2]: *** [/kisskb/src/scripts/Makefile.build:311: mm/zsmalloc.o] Error 1
make[2]: *** Waiting for unfinished jobs....
/kisskb/src/drivers/char/tpm/tpm2-cmd.c: In function 'tpm2_unseal_trusted':
/kisskb/src/drivers/char/tpm/tpm2-cmd.c:676:2: warning: 'blob_handle' may be used uninitialized in this function [-Wmaybe-uninitialized]
  tpm2_flush_context_cmd(chip, blob_handle, TPM_TRANSMIT_UNLOCKED);
  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
make[1]: *** [/kisskb/src/Makefile:1060: mm] Error 2
In file included from /kisskb/src/sound/ppc/pmac.h:25,
                 from /kisskb/src/sound/ppc/awacs.c:29:
/kisskb/src/sound/ppc/awacs.c: In function 'snd_pmac_awacs_init':
/kisskb/src/include/sound/control.h:223:9: warning: 'speaker_vol' may be used uninitialized in this function [-Wmaybe-uninitialized]
  return _snd_ctl_add_slave(master, slave, 0);
         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/kisskb/src/sound/ppc/awacs.c:886:36: note: 'speaker_vol' was declared here
  struct snd_kcontrol *master_vol, *speaker_vol;
                                    ^~~~~~~~~~~
/kisskb/src/drivers/scsi/esas2r/esas2r_ioctl.c: In function 'esas2r_write_vda':
/kisskb/src/drivers/scsi/esas2r/esas2r_ioctl.c:1910:19: warning: 'dma_addr' may be used uninitialized in this function [-Wmaybe-uninitialized]
   a->ppvda_buffer = dma_addr;
   ~~~~~~~~~~~~~~~~^~~~~~~~~~
/kisskb/src/drivers/usb/gadget/udc/fsl_qe_udc.c: In function 'qe_ep_set_halt':
/kisskb/src/drivers/usb/gadget/udc/fsl_qe_udc.c:1840:14: warning: 'udc' may be used uninitialized in this function [-Wmaybe-uninitialized]
  dev_vdbg(udc->dev, "%s %s halt stat %d\n", ep->ep.name,
              ^~
/kisskb/src/drivers/scsi/aha1542.c: In function 'aha1542_interrupt':
/kisskb/src/drivers/scsi/aha1542.c:306:38: error: implicit declaration of function 'isa_virt_to_bus'; did you mean 'virt_to_bus'? [-Werror=implicit-function-declaration]
   mbo = (scsi2int(mb[mbi].ccbptr) - (isa_virt_to_bus(&ccb[0]))) / sizeof(struct ccb);
                                      ^~~~~~~~~~~~~~~
                                      virt_to_bus
/kisskb/src/drivers/scsi/aha1542.c: In function 'aha1542_queuecommand':
/kisskb/src/drivers/scsi/aha1542.c:461:30: error: implicit declaration of function 'isa_page_to_bus'; did you mean 'page_to_bus'? [-Werror=implicit-function-declaration]
    any2scsi(cptr[i].dataptr, isa_page_to_bus(sg_page(sg))
                              ^~~~~~~~~~~~~~~
                              page_to_bus
cc1: some warnings being treated as errors
make[3]: *** [/kisskb/src/scripts/Makefile.build:311: drivers/scsi/aha1542.o] Error 1
make[3]: *** Waiting for unfinished jobs....
make[2]: *** [/kisskb/src/scripts/Makefile.build:546: drivers/scsi] Error 2
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [/kisskb/src/Makefile:1060: drivers] Error 2
make: *** [Makefile:146: sub-make] Error 2
Command 'make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc32_allmodconfig_powerpc-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  ' returned non-zero exit status 2
# rm -rf /kisskb/build/powerpc-next_ppc32_allmodconfig_powerpc-gcc8
# Build took: 0:10:40.782926