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Takamori Yamaguchi b0a8cc58e6 mm: bugfix: set current->reclaim_state to NULL while returning from kswapd() 
In kswapd(), set current->reclaim_state to NULL before returning, as
current->reclaim_state holds reference to variable on kswapd()'s stack.

In rare cases, while returning from kswapd() during memory offlining,
__free_slab() and freepages() can access the dangling pointer of
current->reclaim_state.

Signed-off-by: Takamori Yamaguchi <takamori.yamaguchi@jp.sony.com>
Signed-off-by: Aaditya Kumar <aaditya.kumar@ap.sony.com>
Acked-by: David Rientjes <rientjes@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-11-09 06:41:47 +01:00
..
backing-dev.c
backing-dev: use kstrto* in preference to simple_strtoul
2012-08-25 16:58:14 +08:00
bootmem.c
mm: fix-up zone present pages
2012-10-09 16:22:54 +09:00
bounce.c
bounce: allow use of bounce pool via config option
2012-07-18 16:40:35 -04:00
cleancache.c
->encode_fh() API change
2012-05-29 23:28:33 -04:00
compaction.c
mm: compaction: correct the nr_strict va isolated check for CMA
2012-10-19 14:07:47 -07:00
debug-pagealloc.c
mm, x86: Remove debug_pagealloc_enabled
2011-12-06 09:24:07 +01:00
dmapool.c
mm: fix implicit stat.h usage in dmapool.c
2011-10-31 09:20:12 -04:00
fadvise.c
switch simple cases of fget_light to fdget
2012-09-26 22:20:08 -04:00
failslab.c
switch debugfs to umode_t
2012-01-03 22:54:56 -05:00
filemap_xip.c
mm: move all mmu notifier invocations to be done outside the PT lock
2012-10-09 16:22:58 +09:00
filemap.c
readahead: fault retry breaks mmap file read random detection
2012-10-09 16:22:47 +09:00
fremap.c
remap_file_pages: correctly handle the case of a NULL vm_ops pointer
2012-10-19 13:37:57 -07:00
frontswap.c
frontswap: support exclusive gets if tmem backend is capable
2012-09-21 10:38:12 -04:00
highmem.c
mm: add support for direct_IO to highmem pages
2012-07-31 18:42:47 -07:00
huge_memory.c
mm: huge_memory: Fix build error.
2012-10-15 07:59:15 -07:00
hugetlb_cgroup.c
hugetlb/cgroup: remove exclude and wakeup rmdir calls from migrate
2012-07-31 18:42:41 -07:00
hugetlb.c
mm: document PageHuge somewhat
2012-10-09 16:23:03 +09:00
hwpoison-inject.c
memcg: rename config variables
2012-07-31 18:42:43 -07:00
init-mm.c
atomic: use <linux/atomic.h>
2011-07-26 16:49:47 -07:00
internal.h
mm, thp: fix mlock statistics
2012-10-09 16:23:03 +09:00
interval_tree.c
mm: add CONFIG_DEBUG_VM_RB build option
2012-10-09 16:22:42 +09:00
Kconfig
mm: enable CONFIG_COMPACTION by default
2012-10-09 16:22:53 +09:00
Kconfig.debug
mm: more intensive memory corruption debugging
2012-01-10 16:30:42 -08:00
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
kmemleak: use rbtree instead of prio tree
2012-10-09 16:22:39 +09:00
ksm.c
mm: wrap calls to set_pte_at_notify with invalidate_range_start and invalidate_range_end
2012-10-09 16:22:58 +09:00
maccess.c
mm: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
madvise.c
mm: prepare VM_DONTDUMP for using in drivers
2012-10-09 16:22:18 +09:00
Makefile
mm: replace vma prio_tree with an interval tree
2012-10-09 16:22:39 +09:00
memblock.c
x86, mm: Trim memory in memblock to be page aligned
2012-10-24 11:52:21 -07:00
memcontrol.c
memcg: move mem_cgroup_is_root upwards
2012-10-09 16:22:55 +09:00
memory_hotplug.c
memory-hotplug: suppress "Trying to free nonexistent resource <XXXXXXXXXXXXXXXX-YYYYYYYYYYYYYYYY>" warning
2012-10-09 16:23:04 +09:00
memory-failure.c
mm anon rmap: replace same_anon_vma linked list with an interval tree.
2012-10-09 16:22:41 +09:00
memory.c
mm, thp: fix mapped pages avoiding unevictable list on mlock
2012-10-09 16:23:02 +09:00
mempolicy.c
mm, mempolicy: fix printing stack contents in numa_maps
2012-10-16 18:00:50 -07:00
mempool.c
mempool: add @gfp_mask to mempool_create_node()
2012-06-25 11:53:47 +02:00
migrate.c
mm: memcg: fix compaction/migration failing due to memcg limits
2012-07-31 18:42:48 -07:00
mincore.c
mm: thp: fix pmd_bad() triggering in code paths holding mmap_sem read mode
2012-03-21 17:54:54 -07:00
mlock.c
mm, thp: fix mlock statistics
2012-10-09 16:23:03 +09:00
mm_init.c
mm: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
mmap.c
mm: avoid taking rmap locks in move_ptes()
2012-10-09 16:22:42 +09:00
mmu_context.c
mm, counters: remove task argument to sync_mm_rss() and __sync_task_rss_stat()
2012-03-21 17:54:59 -07:00
mmu_notifier.c
mm/mmu_notifier: allocate mmu_notifier in advance
2012-10-25 14:37:53 -07:00
mmzone.c
memcg: rename config variables
2012-07-31 18:42:43 -07:00
mprotect.c
Merge branch 'akpm' (Andrew's patch-bomb)
2012-03-22 09:04:48 -07:00
mremap.c
mm: move all mmu notifier invocations to be done outside the PT lock
2012-10-09 16:22:58 +09:00
msync.c
sanitize vfs_fsync calling conventions
2010-05-21 18:31:21 -04:00
nobootmem.c
mm: fix-up zone present pages
2012-10-09 16:22:54 +09:00
nommu.c
mm: replace vma prio_tree with an interval tree
2012-10-09 16:22:39 +09:00
oom_kill.c
oom: remove deprecated oom_adj
2012-10-09 16:22:24 +09:00
page_alloc.c
mm, numa: avoid setting zone_reclaim_mode unless a node is sufficiently distant
2012-10-25 14:37:53 -07:00
page_cgroup.c
memcg: rename config variables
2012-07-31 18:42:43 -07:00
page_io.c
mm: add support for direct_IO to highmem pages
2012-07-31 18:42:47 -07:00
page_isolation.c
mm/page_alloc: refactor out __alloc_contig_migrate_alloc()
2012-10-09 16:22:52 +09:00
page-writeback.c
CPU hotplug, writeback: Don't call writeback_set_ratelimit() too often during hotplug
2012-09-28 20:27:49 +08:00
pagewalk.c
mm: fix kernel-doc warnings
2012-06-20 14:39:36 -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: fix kernel-doc warnings
2012-06-20 14:39:36 -07:00
percpu.c
sections: fix section conflicts in mm/percpu.c
2012-10-06 03:04:44 +09:00
pgtable-generic.c
thp: introduce pmdp_invalidate()
2012-10-09 16:22:29 +09:00
process_vm_access.c
aio/vfs: cleanup of rw_copy_check_uvector() and compat_rw_copy_check_uvector()
2012-05-31 17:49:32 -07:00
quicklist.c
mm: delete various needless include <linux/module.h>
2011-10-31 09:20:11 -04:00
readahead.c
switch simple cases of fget_light to fdget
2012-09-26 22:20:08 -04:00
rmap.c
mm: fix XFS oops due to dirty pages without buffers on s390
2012-10-25 14:37:52 -07:00
shmem.c
tmpfs,ceph,gfs2,isofs,reiserfs,xfs: fix fh_len checking
2012-10-09 23:33:55 -04:00
slab_common.c
mm, slab: release slab_mutex earlier in kmem_cache_destroy()
2012-10-10 09:25:08 +03:00
slab.c
Merge branch 'slab/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux
2012-10-07 07:53:13 +09:00
slab.h
Revert "mm/sl[aou]b: Move sysfs_slab_add to common"
2012-09-05 12:07:44 +03:00
slob.c
Merge branch 'testing/driver-warnings' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc into fixes
2012-10-19 15:40:18 -07:00
slub.c
Merge branch 'slab/common-for-cgroups' into slab/for-linus
2012-10-03 09:56:37 +03:00
sparse-vmemmap.c
mm: delete various needless include <linux/module.h>
2011-10-31 09:20:11 -04:00
sparse.c
mm/sparse: remove index_init_lock
2012-07-31 18:42:49 -07:00
swap_state.c
mm: add support for a filesystem to activate swap files and use direct_IO for writing swap pages
2012-07-31 18:42:47 -07:00
swap.c
mm: remove vma arg from page_evictable
2012-10-09 16:22:55 +09:00
swapfile.c
vfs: make path_openat take a struct filename pointer
2012-10-12 20:15:09 -04:00
truncate.c
mm: use clear_page_mlock() in page_remove_rmap()
2012-10-09 16:22:56 +09:00
util.c
mm: Use __do_krealloc to do the krealloc job
2012-09-04 10:22:58 +03:00
vmalloc.c
mm: use %pK for /proc/vmallocinfo
2012-10-09 16:23:03 +09:00
vmscan.c
mm: bugfix: set current->reclaim_state to NULL while returning from kswapd()
2012-11-09 06:41:47 +01:00
vmstat.c
mm: remove unevictable_pgs_mlockfreed
2012-10-09 16:22:59 +09:00