# git rev-parse -q --verify 51c7f84e303aa33094663a405bc83426e79a8ab2^{commit} 51c7f84e303aa33094663a405bc83426e79a8ab2 already have revision, skipping fetch # git checkout -q -f -B kisskb 51c7f84e303aa33094663a405bc83426e79a8ab2 # git clean -qxdf # git log -1 commit 51c7f84e303aa33094663a405bc83426e79a8ab2 Author: Aneesh Kumar K.V Date: Tue Oct 13 00:10:15 2015 +0530 powerpc/mm: Add a _PAGE_PTE bit For a pte entry we will have _PAGE_PTE set. Our pte page address have a minimum alignment requirement of HUGEPD_SHIFT_MASK + 1. We use the lower 7 bits to indicate hugepd. ie. For pmd and pgd we can find: 1) _PAGE_PTE set pte -> indicate PTE 2) bits [2..6] non zero -> indicate hugepd. They also encode the size. We skip bit 1 (_PAGE_PRESENT). 3) othewise pointer to next table. Signed-off-by: Aneesh Kumar K.V Signed-off-by: Michael Ellerman # < /opt/cross/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version # < git log --format=%s --max-count=1 51c7f84e303aa33094663a405bc83426e79a8ab2 # < make -j 8 ARCH=powerpc O=/home/kisskb/slave/build/mpe_40x_walnut_defconfig_powerpc CROSS_COMPILE=/opt/cross/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- 40x/walnut_defconfig # make -j 8 ARCH=powerpc O=/home/kisskb/slave/build/mpe_40x_walnut_defconfig_powerpc CROSS_COMPILE=/opt/cross/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- make[1]: Entering directory '/home/kisskb/slave/build/mpe_40x_walnut_defconfig_powerpc' GEN ./Makefile scripts/kconfig/conf --silentoldconfig Kconfig CHK include/config/kernel.release GEN ./Makefile WRAP arch/powerpc/include/generated/asm/clkdev.h WRAP arch/powerpc/include/generated/asm/div64.h WRAP arch/powerpc/include/generated/asm/irq_regs.h WRAP arch/powerpc/include/generated/asm/irq_work.h WRAP arch/powerpc/include/generated/asm/mcs_spinlock.h WRAP arch/powerpc/include/generated/asm/local64.h WRAP arch/powerpc/include/generated/asm/preempt.h WRAP arch/powerpc/include/generated/asm/rwsem.h WRAP arch/powerpc/include/generated/asm/vtime.h CHK include/generated/uapi/linux/version.h UPD include/generated/uapi/linux/version.h UPD include/config/kernel.release Using /home/kisskb/slave/src as source for kernel CHK include/generated/utsrelease.h UPD include/generated/utsrelease.h HOSTCC scripts/dtc/dtc.o HOSTCC scripts/dtc/flattree.o HOSTCC scripts/dtc/fstree.o CC scripts/mod/empty.o HOSTCC scripts/mod/mk_elfconfig HOSTCC scripts/kallsyms CC scripts/mod/devicetable-offsets.s HOSTCC scripts/dtc/data.o HOSTCC scripts/dtc/livetree.o GEN scripts/mod/devicetable-offsets.h HOSTCC scripts/dtc/treesource.o MKELF scripts/mod/elfconfig.h HOSTCC scripts/mod/modpost.o HOSTCC scripts/dtc/srcpos.o HOSTCC scripts/dtc/checks.o HOSTCC scripts/dtc/util.o HOSTCC scripts/mod/file2alias.o CC kernel/bounds.s HOSTCC scripts/mod/sumversion.o CHK include/generated/timeconst.h UPD include/generated/timeconst.h CHK include/generated/bounds.h UPD include/generated/bounds.h CC arch/powerpc/kernel/asm-offsets.s SHIPPED scripts/dtc/dtc-lexer.lex.c SHIPPED scripts/dtc/dtc-parser.tab.h SHIPPED scripts/dtc/dtc-parser.tab.c HOSTCC scripts/dtc/dtc-lexer.lex.o HOSTCC scripts/dtc/dtc-parser.tab.o CHK include/generated/asm-offsets.h UPD include/generated/asm-offsets.h CALL /home/kisskb/slave/src/scripts/checksyscalls.sh HOSTLD scripts/dtc/dtc HOSTLD scripts/mod/modpost CHK include/generated/compile.h HOSTCC usr/gen_init_cpio CC init/main.o CC init/do_mounts.o CC init/do_mounts_rd.o CC init/do_mounts_initrd.o CC arch/powerpc/mm/fault.o UPD include/generated/compile.h CC arch/powerpc/kernel/cputable.o AS arch/powerpc/lib/string.o CC arch/powerpc/lib/alloc.o AS arch/powerpc/lib/crtsavres.o CC arch/powerpc/lib/ppc_ksyms.o CC arch/powerpc/kernel/ptrace.o GEN usr/initramfs_data.cpio.gz AS usr/initramfs_data.o LD usr/built-in.o CC arch/powerpc/lib/code-patching.o CC arch/powerpc/lib/feature-fixups.o AS arch/powerpc/sysdev/dcr-low.o CC arch/powerpc/mm/mem.o CC init/initramfs.o CC arch/powerpc/sysdev/indirect_pci.o CC arch/powerpc/mm/pgtable.o CC init/init_task.o AS arch/powerpc/lib/div64.o AS arch/powerpc/lib/copy_32.o CC init/version.o AS arch/powerpc/lib/checksum_32.o LD arch/powerpc/lib/built-in.o CC arch/powerpc/mm/mmap.o CC arch/powerpc/kernel/syscalls.o LD init/mounts.o CC arch/powerpc/mm/init_32.o CC arch/powerpc/kernel/irq.o CC arch/powerpc/sysdev/uic.o CC arch/powerpc/mm/pgtable_32.o CC arch/powerpc/sysdev/ppc4xx_soc.o CC arch/powerpc/platforms/40x/walnut.o LD init/built-in.o CC arch/powerpc/kernel/align.o CC arch/powerpc/sysdev/of_rtc.o CC arch/powerpc/kernel/signal_32.o CC arch/powerpc/mm/mmu_context_nohash.o CC arch/powerpc/mm/tlb_nohash.o CC arch/powerpc/kernel/pmc.o AS arch/powerpc/mm/tlb_nohash_low.o CC arch/powerpc/sysdev/ppc4xx_pci.o LD arch/powerpc/platforms/40x/built-in.o LD arch/powerpc/platforms/built-in.o CC arch/powerpc/sysdev/ppc4xx_cpm.o CC arch/powerpc/kernel/vdso.o CC arch/powerpc/mm/40x_mmu.o CC arch/powerpc/sysdev/dcr.o CC arch/powerpc/mm/hugetlbpage.o CC arch/powerpc/kernel/process.o CC arch/powerpc/mm/dma-noncoherent.o /home/kisskb/slave/src/arch/powerpc/mm/40x_mmu.c: In function 'mmu_mapin_ram': /home/kisskb/slave/src/arch/powerpc/mm/40x_mmu.c:113:20: error: lvalue required as left operand of assignment /home/kisskb/slave/src/arch/powerpc/mm/40x_mmu.c:114:20: error: lvalue required as left operand of assignment /home/kisskb/slave/src/arch/powerpc/mm/40x_mmu.c:115:20: error: lvalue required as left operand of assignment /home/kisskb/slave/src/arch/powerpc/mm/40x_mmu.c:116:20: error: lvalue required as left operand of assignment /home/kisskb/slave/src/arch/powerpc/mm/40x_mmu.c:128:18: error: lvalue required as left operand of assignment /home/kisskb/slave/src/scripts/Makefile.build:258: recipe for target 'arch/powerpc/mm/40x_mmu.o' failed make[2]: *** [arch/powerpc/mm/40x_mmu.o] Error 1 make[2]: *** Waiting for unfinished jobs.... CPP arch/powerpc/kernel/systbl_chk.i CC arch/powerpc/kernel/idle.o LD arch/powerpc/math-emu/built-in.o LD arch/powerpc/crypto/built-in.o CC arch/powerpc/kernel/signal.o LD arch/powerpc/net/built-in.o CC kernel/fork.o LD certs/built-in.o LD arch/powerpc/sysdev/built-in.o CC kernel/exec_domain.o CC mm/filemap.o CC mm/mempool.o CC fs/open.o CC mm/oom_kill.o /home/kisskb/slave/src/Makefile:941: recipe for target 'arch/powerpc/mm' failed make[1]: *** [arch/powerpc/mm] Error 2 make[1]: *** Waiting for unfinished jobs.... CC mm/maccess.o CC arch/powerpc/kernel/sysfs.o CC arch/powerpc/kernel/cacheinfo.o CC kernel/panic.o CC kernel/cpu.o CC kernel/exit.o CC kernel/softirq.o CC arch/powerpc/kernel/time.o CC arch/powerpc/kernel/prom.o CC arch/powerpc/kernel/traps.o CC fs/read_write.o CC kernel/resource.o CC kernel/sysctl.o CC arch/powerpc/kernel/setup-common.o CC mm/page_alloc.o CC kernel/sysctl_binary.o CC kernel/capability.o CC arch/powerpc/kernel/udbg.o CC fs/file_table.o CC kernel/ptrace.o AS arch/powerpc/kernel/misc.o CC arch/powerpc/kernel/io.o CC mm/page-writeback.o CC kernel/user.o CC kernel/signal.o CC arch/powerpc/kernel/dma.o CC fs/super.o CC fs/char_dev.o CC kernel/sys.o CC mm/readahead.o CC mm/swap.o AS arch/powerpc/kernel/misc_32.o CC kernel/kmod.o CC arch/powerpc/kernel/of_platform.o CC arch/powerpc/kernel/prom_parse.o CC mm/truncate.o CC fs/stat.o CC mm/vmscan.o CC kernel/workqueue.o LDS arch/powerpc/kernel/vdso32/vdso32.lds VDSO32A arch/powerpc/kernel/vdso32/sigtramp.o VDSO32A arch/powerpc/kernel/vdso32/gettimeofday.o VDSO32A arch/powerpc/kernel/vdso32/datapage.o VDSO32A arch/powerpc/kernel/vdso32/cacheflush.o CC fs/exec.o VDSO32A arch/powerpc/kernel/vdso32/note.o VDSO32L arch/powerpc/kernel/vdso32/vdso32.so.dbg OBJCOPY arch/powerpc/kernel/vdso32/vdso32.so AS arch/powerpc/kernel/vdso32/vdso32_wrapper.o LD arch/powerpc/kernel/vdso32/built-in.o CC arch/powerpc/kernel/proc_powerpc.o CC kernel/pid.o CC fs/pipe.o CC fs/namei.o CC arch/powerpc/kernel/module.o CC mm/shmem.o CC arch/powerpc/kernel/module_32.o CC kernel/task_work.o CC fs/fcntl.o AS arch/powerpc/kernel/entry_32.o CC arch/powerpc/kernel/setup_32.o CC arch/powerpc/kernel/ppc_ksyms.o CC mm/util.o CC arch/powerpc/kernel/ppc_ksyms_32.o CC arch/powerpc/kernel/legacy_serial.o CC mm/mmzone.o CC mm/vmstat.o CC mm/backing-dev.o CC arch/powerpc/kernel/udbg_16550.o CC fs/ioctl.o CC kernel/extable.o CC mm/mm_init.o CC arch/powerpc/kernel/pci_32.o CC mm/mmu_context.o CC mm/percpu.o CC mm/slab_common.o CC kernel/params.o CC kernel/kthread.o CC fs/readdir.o CC arch/powerpc/kernel/pci-common.o CC fs/select.o CC arch/powerpc/kernel/pci_of_scan.o CC arch/powerpc/kernel/iomap.o CC fs/dcache.o CC kernel/sys_ni.o CC kernel/nsproxy.o CC mm/compaction.o CC kernel/notifier.o CC kernel/ksysfs.o CC kernel/cred.o CC fs/inode.o CC fs/attr.o AS arch/powerpc/kernel/head_40x.o LDS arch/powerpc/kernel/vmlinux.lds CALL /home/kisskb/slave/src/arch/powerpc/kernel/systbl_chk.sh AS arch/powerpc/kernel/systbl.o LD arch/powerpc/kernel/built-in.o CC fs/bad_inode.o CC fs/file.o CC fs/filesystems.o CC kernel/reboot.o CC fs/namespace.o CC fs/seq_file.o CC mm/vmacache.o CC mm/interval_tree.o CC mm/list_lru.o CC kernel/async.o CC fs/xattr.o CC fs/libfs.o CC mm/workingset.o CC kernel/range.o CC fs/fs-writeback.o CC kernel/smpboot.o CC fs/pnode.o CC kernel/groups.o CC fs/splice.o CC mm/debug.o CC mm/gup.o CC fs/sync.o CC mm/highmem.o CC fs/utimes.o CC kernel/bpf/core.o CC fs/stack.o CC fs/fs_struct.o CC fs/statfs.o CC fs/fs_pin.o CC fs/nsfs.o CC mm/memory.o CC mm/mincore.o CC fs/buffer.o LD kernel/livepatch/built-in.o CC kernel/irq/irqdesc.o CC kernel/locking/mutex.o CC kernel/irq/handle.o LD kernel/bpf/built-in.o CC kernel/irq/manage.o CC kernel/power/qos.o CC mm/mlock.o CC kernel/irq/spurious.o CC kernel/locking/semaphore.o CC kernel/locking/rwsem.o CC kernel/locking/percpu-rwsem.o CC kernel/irq/resend.o CC kernel/power/main.o CC fs/block_dev.o CC fs/direct-io.o CC kernel/locking/rtmutex.o CC kernel/irq/chip.o CC mm/mmap.o CC kernel/power/process.o CC kernel/locking/rwsem-xadd.o CC kernel/irq/dummychip.o CC kernel/power/suspend.o LD kernel/locking/built-in.o CC kernel/printk/printk.o CC kernel/rcu/update.o CC kernel/irq/devres.o CC kernel/irq/irqdomain.o CC kernel/power/poweroff.o CC kernel/rcu/srcu.o CC kernel/sched/core.o CC kernel/sched/loadavg.o CC kernel/rcu/tiny.o LD kernel/power/built-in.o CC kernel/time/time.o CC kernel/time/timer.o CC kernel/irq/proc.o LD kernel/rcu/built-in.o CC fs/mpage.o CC mm/mprotect.o CC kernel/irq/pm.o CC mm/mremap.o CC kernel/time/hrtimer.o CC kernel/time/itimer.o CC kernel/freezer.o CC kernel/sched/clock.o LD kernel/irq/built-in.o CC kernel/sched/cputime.o CC kernel/sched/idle_task.o LD kernel/printk/built-in.o CC kernel/futex.o CC mm/msync.o CC kernel/time/posix-timers.o CC kernel/sched/fair.o CC mm/rmap.o CC kernel/time/posix-cpu-timers.o CC fs/proc_namespace.o CC fs/cramfs/inode.o CC fs/cramfs/uncompress.o CC kernel/time/timekeeping.o CC kernel/time/ntp.o LD fs/cramfs/cramfs.o LD fs/cramfs/built-in.o CC fs/debugfs/inode.o CC kernel/sched/rt.o CC kernel/time/clocksource.o CC mm/vmalloc.o CC kernel/dma.o CC kernel/sched/deadline.o CC fs/debugfs/file.o CC fs/devpts/inode.o CC kernel/sched/stop_task.o CC kernel/time/jiffies.o CC kernel/up.o CC mm/pagewalk.o CC kernel/module.o CC mm/pgtable-generic.o CC kernel/time/timer_list.o CC kernel/sched/wait.o CC mm/process_vm_access.o LD fs/devpts/devpts.o LD fs/devpts/built-in.o LD fs/exofs/built-in.o LD fs/debugfs/debugfs.o LD fs/debugfs/built-in.o CC fs/ext2/balloc.o CC fs/kernfs/mount.o CC fs/lockd/clntlock.o CC fs/lockd/clntproc.o CC kernel/time/timeconv.o CC kernel/time/timecounter.o CC kernel/sched/completion.o CC mm/init-mm.o CC fs/kernfs/inode.o CC kernel/time/posix-clock.o CC mm/nobootmem.o CC kernel/sched/idle.o CC fs/kernfs/dir.o CC fs/ext2/dir.o CC fs/lockd/clntxdr.o CC fs/lockd/host.o CC kernel/time/alarmtimer.o CC kernel/sched/debug.o CC mm/fadvise.o CC fs/ext2/file.o CC kernel/time/clockevents.o CC fs/ext2/ialloc.o CC mm/madvise.o CC fs/kernfs/file.o CC fs/kernfs/symlink.o CC fs/ext2/inode.o CC fs/nfs/client.o LD kernel/sched/built-in.o CC kernel/kallsyms.o CC fs/lockd/svc.o CC kernel/time/tick-common.o CC mm/memblock.o CC fs/lockd/svclock.o CC fs/lockd/svcshare.o LD fs/kernfs/built-in.o CC fs/lockd/svcproc.o CC kernel/time/timekeeping_debug.o LD kernel/time/built-in.o CC kernel/hung_task.o CC fs/lockd/svcsubs.o CC fs/ext2/ioctl.o CC kernel/seccomp.o CC fs/nfs/dir.o CC mm/page_io.o CC fs/nfs/file.o CC fs/nfs/getroot.o CC fs/ext2/namei.o CC fs/ext2/super.o CC kernel/utsname_sysctl.o CC fs/lockd/mon.o CC fs/ext2/symlink.o CC mm/swap_state.o CC fs/nfs/inode.o CC kernel/elfcore.o CC fs/nfs_common/grace.o CC kernel/irq_work.o CC fs/lockd/xdr.o LD fs/ext2/ext2.o LD fs/ext2/built-in.o CC mm/swapfile.o LD fs/nfs_common/built-in.o CC fs/notify/fsnotify.o CC fs/notify/notification.o CC fs/notify/group.o CC kernel/membarrier.o CC mm/dmapool.o CC mm/slub.o CC fs/nfs/super.o CC fs/notify/inode_mark.o CC kernel/memremap.o CC fs/lockd/clnt4xdr.o LD kernel/built-in.o CC fs/lockd/xdr4.o CC fs/nfs/direct.o CC fs/notify/mark.o CC fs/proc/task_mmu.o CC fs/proc/inode.o CC fs/notify/vfsmount_mark.o CC fs/notify/fdinfo.o CC fs/lockd/svc4proc.o CC fs/nfs/pagelist.o CC fs/notify/dnotify/dnotify.o CC fs/nfs/read.o CC fs/nfs/symlink.o CC fs/proc/root.o CC fs/nfs/unlink.o LD fs/notify/dnotify/built-in.o LD fs/notify/fanotify/built-in.o CC fs/notify/inotify/inotify_fsnotify.o CC fs/lockd/procfs.o CC fs/proc/base.o CC fs/notify/inotify/inotify_user.o LD fs/quota/built-in.o LD fs/lockd/lockd.o LD fs/lockd/built-in.o CC fs/nfs/write.o CC fs/ramfs/inode.o CC mm/migrate.o CC fs/proc/generic.o CC fs/ramfs/file-mmu.o CC fs/nfs/namespace.o CC fs/nfs/mount_clnt.o LD fs/notify/inotify/built-in.o LD fs/notify/built-in.o CC fs/sysfs/file.o LD fs/ramfs/ramfs.o LD fs/ramfs/built-in.o CC fs/sysfs/dir.o CC fs/sysfs/symlink.o CC fs/eventpoll.o LD mm/built-in.o CC fs/nfs/nfstrace.o CC fs/proc/array.o CC fs/proc/fd.o CC fs/anon_inodes.o CC fs/sysfs/mount.o CC fs/signalfd.o CC fs/sysfs/group.o CC fs/timerfd.o CC fs/eventfd.o CC fs/aio.o CC fs/proc/proc_tty.o LD fs/sysfs/built-in.o CC fs/nfs/nfsroot.o CC fs/proc/cmdline.o CC fs/proc/consoles.o CC fs/locks.o CC fs/proc/cpuinfo.o CC fs/proc/devices.o CC fs/proc/interrupts.o CC fs/nfs/sysctl.o CC fs/binfmt_script.o CC fs/proc/loadavg.o CC fs/nfs/nfs2super.o CC fs/binfmt_elf.o CC fs/proc/meminfo.o CC fs/nfs/proc.o CC fs/coredump.o CC fs/proc/stat.o CC fs/proc/uptime.o CC fs/proc/version.o CC fs/proc/softirqs.o CC fs/proc/namespaces.o CC fs/proc/self.o CC fs/nfs/nfs2xdr.o CC fs/drop_caches.o CC fs/proc/thread_self.o CC fs/proc/proc_sysctl.o CC fs/nfs/nfs3super.o CC fs/proc/proc_net.o CC fs/proc/kcore.o CC fs/nfs/nfs3client.o CC fs/proc/kmsg.o CC fs/proc/page.o CC fs/nfs/nfs3proc.o CC fs/nfs/nfs3xdr.o LD fs/nfs/nfs.o LD fs/nfs/nfsv2.o LD fs/proc/proc.o LD fs/proc/built-in.o LD fs/nfs/nfsv3.o LD fs/nfs/built-in.o LD fs/built-in.o make[1]: Leaving directory '/home/kisskb/slave/build/mpe_40x_walnut_defconfig_powerpc' Makefile:146: recipe for target 'sub-make' failed make: *** [sub-make] Error 2 Command 'make -j 8 ARCH=powerpc O=/home/kisskb/slave/build/mpe_40x_walnut_defconfig_powerpc CROSS_COMPILE=/opt/cross/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- ' returned non-zero exit status 2 # rm -rf /home/kisskb/slave/build/mpe_40x_walnut_defconfig_powerpc # Build took: 0:00:28.999689