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798248206b
linux/mm
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Akinobu Mita 798248206b lib/string.c: introduce memchr_inv() 
memchr_inv() is mainly used to check whether the whole buffer is filled
with just a specified byte.

The function name and prototype are stolen from logfs and the
implementation is from SLUB.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Acked-by: Christoph Lameter <cl@linux-foundation.org>
Acked-by: Pekka Enberg <penberg@kernel.org>
Cc: Matt Mackall <mpm@selenic.com>
Acked-by: Joern Engel <joern@logfs.org>
Cc: Marcin Slusarz <marcin.slusarz@gmail.com>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-10-31 17:30:47 -07:00
..
backing-dev.c mm: Add comment explaining task state setting in bdi_forker_thread() 2011-09-02 17:17:02 -06:00
bootmem.c crash_dump: export is_kdump_kernel to modules, consolidate elfcorehdr_addr, setup_elfcorehdr and saved_max_pfn 2011-03-23 19:47:19 -07:00
bounce.c bounce: call flush_dcache_page() after bounce_copy_vec() 2010-09-09 18:57:25 -07:00
cleancache.c mm: cleancache core ops functions and config 2011-05-26 10:01:36 -06:00
compaction.c mm: compaction: make isolate_lru_page() filter-aware 2011-10-31 17:30:44 -07:00
debug-pagealloc.c mm/debug-pagealloc.c: use plain __ratelimit() instead of printk_ratelimit() 2011-10-31 17:30:47 -07:00
dmapool.c devres: fix possible use after free 2011-07-25 20:57:14 -07:00
fadvise.c readahead: introduce FMODE_RANDOM for POSIX_FADV_RANDOM 2010-03-06 11:26:25 -08:00
failslab.c fault-injection: add ability to export fault_attr in arbitrary directory 2011-08-03 14:25:20 -10:00
filemap_xip.c mm: Convert i_mmap_lock to a mutex 2011-05-25 08:39:18 -07:00
filemap.c vfs: iov_iter: have iov_iter_advance decrement nr_segs appropriately 2011-10-28 13:55:08 +02:00
fremap.c mm: don't access vm_flags as 'int' 2011-05-26 09:20:31 -07:00
highmem.c mm: make HASHED_PAGE_VIRTUAL page_address' struct page argument const. 2011-08-17 13:00:20 -07:00
huge_memory.c mm/huge_memory.c: minor lock simplification in __khugepaged_exit 2011-07-25 20:57:09 -07:00
hugetlb.c mm: hugetlb: fix coding style issues 2011-07-25 20:57:09 -07:00
hwpoison-inject.c Fix common misspellings 2011-03-31 11:26:23 -03:00
init-mm.c atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
internal.h mm: nommu: sort mm->mmap list properly 2011-05-25 08:39:05 -07:00
Kconfig mm Kconfig typo: cleancacne -> cleancache 2011-06-10 14:47:52 +02:00
Kconfig.debug mm: debug-pagealloc: fix kconfig dependency warning 2011-03-22 17:44:02 -07:00
kmemcheck.c kmemcheck: Fix build errors due to missing slab.h 2010-03-30 22:02:32 +09:00
kmemleak-test.c kmemleak: remove memset by using kzalloc 2011-01-27 18:31:51 +00:00
kmemleak.c atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
ksm.c oom: fix race while temporarily setting current's oom_score_adj 2011-10-31 17:30:45 -07:00
maccess.c maccess,probe_kernel: Make write/read src const void * 2011-05-25 19:56:23 -04:00
madvise.c fs: kill i_alloc_sem 2011-07-20 20:47:46 -04:00
Makefile Cross Memory Attach 2011-10-31 17:30:44 -07:00
memblock.c mm/memblock.c: avoid abuse of RED_INACTIVE 2011-07-25 20:57:09 -07:00
memcontrol.c mm: change isolate mode from #define to bitwise type 2011-10-31 17:30:44 -07:00
memory_hotplug.c mm: extend memory hotplug API to allow memory hotplug in virtual machines 2011-07-25 20:57:08 -07:00
memory-failure.c HWPoison: add memory_failure_queue() 2011-08-03 11:15:58 -04:00
memory.c mm/futex: fix futex writes on archs with SW tracking of dirty & young 2011-07-25 20:57:11 -07:00
mempolicy.c mm/mempolicy.c: make copy_from_user() provably correct 2011-09-14 18:09:36 -07:00
mempool.c mm: remove broken 'kzalloc' mempool 2009-09-22 07:17:35 -07:00
migrate.c mm: migration: clean up unmap_and_move() 2011-10-31 17:30:45 -07:00
mincore.c mm: clarify the radix_tree exceptional cases 2011-08-03 14:25:24 -10:00
mlock.c mm: don't access vm_flags as 'int' 2011-05-26 09:20:31 -07:00
mm_init.c
mmap.c mmap: fix and tidy up overcommit page arithmetic 2011-07-25 20:57:09 -07:00
mmu_context.c exit: fix oops in sync_mm_rss 2010-03-24 16:31:21 -07:00
mmu_notifier.c thp: mmu_notifier_test_young 2011-01-13 17:32:46 -08:00
mmzone.c mm: page allocator: adjust the per-cpu counter threshold when memory is low 2011-01-13 17:32:31 -08:00
mprotect.c thp: mprotect: transparent huge page support 2011-01-13 17:32:44 -08:00
mremap.c mm: Convert i_mmap_lock to a mutex 2011-05-25 08:39:18 -07:00
msync.c sanitize vfs_fsync calling conventions 2010-05-21 18:31:21 -04:00
nobootmem.c memblock/nobootmem: remove unneeded code from alloc_bootmem_node_high() 2011-05-25 08:39:31 -07:00
nommu.c mmap: fix and tidy up overcommit page arithmetic 2011-07-25 20:57:09 -07:00
oom_kill.c oom: fix race while temporarily setting current's oom_score_adj 2011-10-31 17:30:45 -07:00
page_alloc.c mm: output a list of loaded modules when we hit bad_page() 2011-10-31 17:30:45 -07:00
page_cgroup.c mm: Convert vmalloc/memset to vzalloc 2011-09-15 13:56:56 +02:00
page_io.c block: kill off REQ_UNPLUG 2011-03-10 08:52:27 +01:00
page_isolation.c mm: page_isolation: codeclean fix comment and rm unneeded val init 2010-10-26 16:52:11 -07:00
page-writeback.c mm/page-writeback.c: document bdi_min_ratio 2011-10-31 17:30:45 -07:00
pagewalk.c pagewalk: fix code comment for THP 2011-07-25 20:57:09 -07:00
percpu-km.c percpu: clear memory allocated with the km allocator 2010-10-02 10:28:42 +03:00
percpu-vm.c mm: remove gfp mask from pcpu_get_vm_areas 2011-01-13 17:32:34 -08:00
percpu.c Merge branch 'for-2.6.40' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu 2011-05-24 11:53:42 -07:00
pgtable-generic.c mm/pgtable-generic.c: fix CONFIG_SWAP=n build 2011-01-26 10:49:58 +10:00
prio_tree.c sanitize <linux/prefetch.h> usage 2011-05-20 12:50:29 -07:00
process_vm_access.c Cross Memory Attach 2011-10-31 17:30:44 -07:00
quicklist.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
readahead.c readahead: readahead page allocations are OK to fail 2011-05-25 08:39:25 -07:00
rmap.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/writeback 2011-07-26 10:39:54 -07:00
shmem.c Merge branch 'next-evm' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/ima-2.6 into next 2011-08-09 10:31:03 +10:00
slab.c mm: restrict access to slab files under procfs and sysfs 2011-09-27 22:59:27 +03:00
slob.c atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
slub.c lib/string.c: introduce memchr_inv() 2011-10-31 17:30:47 -07:00
sparse-vmemmap.c tree-wide: fix comment/printk typos 2010-11-01 15:38:34 -04:00
sparse.c mm: make some struct page's const 2011-07-25 20:57:07 -07:00
swap_state.c block: remove per-queue plugging 2011-03-10 08:52:07 +01:00
swap.c mm: batch activate_page() to reduce lock contention 2011-05-25 08:39:37 -07:00
swapfile.c oom: fix race while temporarily setting current's oom_score_adj 2011-10-31 17:30:45 -07:00
thrash.c mm: swap-token: add a comment for priority aging 2011-07-25 20:57:08 -07:00
truncate.c mm: a few small updates for radix-swap 2011-08-03 14:25:24 -10:00
util.c mm: nommu: sort mm->mmap list properly 2011-05-25 08:39:05 -07:00
vmalloc.c mm: sync vmalloc address space page tables in alloc_vm_area() 2011-09-14 18:09:38 -07:00
vmscan.c vmscan: count pages into balanced for zone with good watermark 2011-10-31 17:30:47 -07:00
vmstat.c mm: vmscan: immediately reclaim end-of-LRU dirty pages when writeback completes 2011-10-31 17:30:47 -07:00