# git rev-parse -q --verify d883c6cf3b39f1f42506e82ad2779fb88004acf3^{commit} d883c6cf3b39f1f42506e82ad2779fb88004acf3 already have revision, skipping fetch # git checkout -q -f -B kisskb d883c6cf3b39f1f42506e82ad2779fb88004acf3 # git clean -qxdf # < git log -1 # commit d883c6cf3b39f1f42506e82ad2779fb88004acf3 # Author: Joonsoo Kim # Date: Wed May 23 10:18:21 2018 +0900 # # Revert "mm/cma: manage the memory of the CMA area by using the ZONE_MOVABLE" # # This reverts the following commits that change CMA design in MM. # # 3d2054ad8c2d ("ARM: CMA: avoid double mapping to the CMA area if CONFIG_HIGHMEM=y") # # 1d47a3ec09b5 ("mm/cma: remove ALLOC_CMA") # # bad8c6c0b114 ("mm/cma: manage the memory of the CMA area by using the ZONE_MOVABLE") # # Ville reported a following error on i386. # # Inode-cache hash table entries: 65536 (order: 6, 262144 bytes) # microcode: microcode updated early to revision 0x4, date = 2013-06-28 # Initializing CPU#0 # Initializing HighMem for node 0 (000377fe:00118000) # Initializing Movable for node 0 (00000001:00118000) # BUG: Bad page state in process swapper pfn:377fe # page:f53effc0 count:0 mapcount:-127 mapping:00000000 index:0x0 # flags: 0x80000000() # raw: 80000000 00000000 00000000 ffffff80 00000000 00000100 00000200 00000001 # page dumped because: nonzero mapcount # Modules linked in: # CPU: 0 PID: 0 Comm: swapper Not tainted 4.17.0-rc5-elk+ #145 # Hardware name: Dell Inc. Latitude E5410/03VXMC, BIOS A15 07/11/2013 # Call Trace: # dump_stack+0x60/0x96 # bad_page+0x9a/0x100 # free_pages_check_bad+0x3f/0x60 # free_pcppages_bulk+0x29d/0x5b0 # free_unref_page_commit+0x84/0xb0 # free_unref_page+0x3e/0x70 # __free_pages+0x1d/0x20 # free_highmem_page+0x19/0x40 # add_highpages_with_active_regions+0xab/0xeb # set_highmem_pages_init+0x66/0x73 # mem_init+0x1b/0x1d7 # start_kernel+0x17a/0x363 # i386_start_kernel+0x95/0x99 # startup_32_smp+0x164/0x168 # # The reason for this error is that the span of MOVABLE_ZONE is extended # to whole node span for future CMA initialization, and, normal memory is # wrongly freed here. I submitted the fix and it seems to work, but, # another problem happened. # # It's so late time to fix the later problem so I decide to reverting the # series. # # Reported-by: Ville Syrjälä # Acked-by: Laura Abbott # Acked-by: Michal Hocko # Cc: Andrew Morton # Signed-off-by: Joonsoo Kim # Signed-off-by: Linus Torvalds # < /opt/cross/kisskb/gcc-4.6.3-nolibc/m68k-linux/bin/m68k-linux-gcc --version # < git log --format=%s --max-count=1 d883c6cf3b39f1f42506e82ad2779fb88004acf3 # < make -s -j 48 ARCH=m68k O=/kisskb/build/linus_sun3_defconfig_m68k CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/m68k-linux/bin/m68k-linux- sun3_defconfig arch/m68k/configs/sun3_defconfig:94:warning: symbol value 'm' invalid for NF_TABLES_INET arch/m68k/configs/sun3_defconfig:95:warning: symbol value 'm' invalid for NF_TABLES_NETDEV arch/m68k/configs/sun3_defconfig:200:warning: symbol value 'm' invalid for NF_TABLES_ARP arch/m68k/configs/sun3_defconfig:255:warning: symbol value 'm' invalid for NF_TABLES_BRIDGE WARNING: unmet direct dependencies detected for NEED_MULTIPLE_NODES Depends on [n]: DISCONTIGMEM [=n] || NUMA Selected by [y]: - SINGLE_MEMORY_CHUNK [=y] && MMU [=y] WARNING: unmet direct dependencies detected for NEED_MULTIPLE_NODES Depends on [n]: DISCONTIGMEM [=n] || NUMA Selected by [y]: - SINGLE_MEMORY_CHUNK [=y] && MMU [=y] # make -s -j 48 ARCH=m68k O=/kisskb/build/linus_sun3_defconfig_m68k CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/m68k-linux/bin/m68k-linux- WARNING: unmet direct dependencies detected for NEED_MULTIPLE_NODES Depends on [n]: DISCONTIGMEM [=n] || NUMA Selected by [y]: - SINGLE_MEMORY_CHUNK [=y] && MMU [=y] WARNING: unmet direct dependencies detected for NEED_MULTIPLE_NODES Depends on [n]: DISCONTIGMEM [=n] || NUMA Selected by [y]: - SINGLE_MEMORY_CHUNK [=y] && MMU [=y] :1239:2: warning: #warning syscall seccomp not implemented [-Wcpp] :1317:2: warning: #warning syscall pkey_mprotect not implemented [-Wcpp] :1320:2: warning: #warning syscall pkey_alloc not implemented [-Wcpp] :1323:2: warning: #warning syscall pkey_free not implemented [-Wcpp] /kisskb/src/ipc/shm.c: In function 'ksys_shmdt': /kisskb/src/ipc/shm.c:1637:59: warning: 'file' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/acct.c: In function 'acct_pin_kill': /kisskb/src/kernel/acct.c:177:2: warning: value computed is not used [-Wunused-value] /kisskb/src/drivers/net/ethernet/i825xx/sun3_82586.c: In function 'sun3_82586_timeout': /kisskb/src/drivers/net/ethernet/i825xx/sun3_82586.c:992:89: warning: array subscript is above array bounds [-Warray-bounds] /kisskb/src/lib/mpi/mpicoder.c: In function 'mpi_read_raw_from_sgl': /kisskb/src/lib/mpi/mpicoder.c:336:12: warning: 'buff' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/macsec.c: In function 'macsec_del_rxsa': /kisskb/src/drivers/net/macsec.c:1926:2: warning: 'assoc_num' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/macsec.c:1926:2: warning: 'rx_sc' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/macsec.c: In function 'macsec_del_txsa': /kisskb/src/drivers/net/macsec.c:2003:2: warning: 'assoc_num' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/macsec.c:2003:2: warning: 'tx_sc' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/macsec.c: In function 'macsec_upd_txsa': /kisskb/src/drivers/net/macsec.c:2068:5: warning: 'assoc_num' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/macsec.c:2068:24: warning: 'tx_sc' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/macsec.c:2069:21: warning: 'secy' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/core/gen_stats.c: In function '__gnet_stats_copy_basic': /kisskb/src/net/core/gen_stats.c:149:19: warning: 'seq' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c: In function 'tun_get_user': /kisskb/src/drivers/net/tun.c:1816:30: warning: 'copylen' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c:1526:31: warning: 'linear' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c:1726:46: note: 'linear' was declared here /kisskb/src/net/core/flow_dissector.c: In function '__skb_flow_dissect': /kisskb/src/net/core/flow_dissector.c:789:7: warning: 'vlan' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/core/dev.c: In function 'validate_xmit_skb_list': /kisskb/src/net/core/dev.c:3176:15: warning: 'tail' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/proc/inode.c: In function 'proc_reg_open': /kisskb/src/include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/proc/inode.c:340:21: note: 'pdeo' was declared here /kisskb/src/lib/rhashtable.c: In function 'rht_deferred_worker': /kisskb/src/lib/rhashtable.c:269:2: warning: 'next' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/lib/rhashtable.c:234:28: note: 'next' was declared here /kisskb/src/fs/udf/unicode.c: In function 'udf_name_conv_char': /kisskb/src/fs/udf/unicode.c:163:15: warning: 'c' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/ocfs2/file.c: In function 'ocfs2_file_write_iter': /kisskb/src/fs/ocfs2/file.c:2386:3: warning: value computed is not used [-Wunused-value] /kisskb/src/fs/posix_acl.c: In function 'get_acl': /kisskb/src/fs/posix_acl.c:147:3: warning: value computed is not used [-Wunused-value] Completed OK # rm -rf /kisskb/build/linus_sun3_defconfig_m68k # Build took: 0:01:05.646361