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ff604cf6d4
linux/mm
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Naoya Horiguchi ff604cf6d4 mm: hwpoison: fix action_result() to print out dirty/clean 
action_result() fails to print out "dirty" even if an error occurred on
a dirty pagecache, because when we check PageDirty in action_result() it
was cleared after page isolation even if it's dirty before error
handling.  This can break some applications that monitor this message,
so should be fixed.

There are several callers of action_result() except page_action(), but
either of them are not for LRU pages but for free pages or kernel pages,
so we don't have to consider dirty or not for them.

Note that PG_dirty can be set outside page locks as described in commit
6746aff74d ("HWPOISON: shmem: call set_page_dirty() with locked
page"), so this patch does not completely closes the race window, but
just narrows it.

Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Reviewed-by: Andi Kleen <ak@linux.intel.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: "Jun'ichi Nomura" <j-nomura@ce.jp.nec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-12-11 17:22:24 -08:00
..
backing-dev.c backing-dev: use kstrto* in preference to simple_strtoul 2012-08-25 16:58:14 +08:00
bootmem.c revert "mm: fix-up zone present pages" 2012-11-16 14:33:04 -08:00
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: validate pfn range passed to isolate_freepages_block 2012-12-06 11:17:33 -08:00
debug-pagealloc.c
dmapool.c dmapool: make DMAPOOL_DEBUG detect corruption of free marker 2012-12-11 17:22:24 -08:00
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, highmem: get virtual address of the page using PKMAP_ADDR() 2012-12-11 17:22:24 -08:00
huge_memory.c mm: thp: set the accessed flag for old pages on access fault 2012-12-11 17:22:24 -08:00
hugetlb_cgroup.c hugetlb/cgroup: remove exclude and wakeup rmdir calls from migrate 2012-07-31 18:42:41 -07:00
hugetlb.c numa: convert static memory to dynamically allocated memory for per node device 2012-12-11 17:22:23 -08:00
hwpoison-inject.c memcg: rename config variables 2012-07-31 18:42:43 -07:00
init-mm.c
internal.h mm: introduce mm_find_pmd() 2012-12-11 17:22:22 -08:00
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
kmemleak-test.c
kmemleak.c kmemleak: use rbtree instead of prio tree 2012-10-09 16:22:39 +09:00
ksm.c mm: introduce mm_find_pmd() 2012-12-11 17:22:22 -08:00
maccess.c
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 mm, memcg: make mem_cgroup_out_of_memory() static 2012-12-11 17:22:22 -08:00
memory_hotplug.c mm/memory_hotplug.c: update start_pfn in zone and pg_data when spanned_pages == 0. 2012-12-11 17:22:23 -08:00
memory-failure.c mm: hwpoison: fix action_result() to print out dirty/clean 2012-12-11 17:22:24 -08:00
memory.c mm: thp: set the accessed flag for old pages on access fault 2012-12-11 17:22:24 -08:00
mempolicy.c tmpfs: fix shared mempolicy leak 2012-12-06 11:56:43 -08:00
mempool.c mempool: add @gfp_mask to mempool_create_node() 2012-06-25 11:53:47 +02:00
migrate.c mm: introduce mm_find_pmd() 2012-12-11 17:22:22 -08:00
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
mmap.c mm: add anon_vma_lock to validate_mm() 2012-11-16 14:33:03 -08:00
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: fix hotplugged memory zone oops 2012-11-16 14:33:04 -08:00
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
nobootmem.c revert "mm: fix-up zone present pages" 2012-11-16 14:33:04 -08:00
nommu.c mm: replace vma prio_tree with an interval tree 2012-10-09 16:22:39 +09:00
oom_kill.c mm, oom: allow exiting threads to have access to memory reserves 2012-12-11 17:22:24 -08:00
page_alloc.c memory-hotplug: allocate zone's pcp before onlining pages 2012-12-11 17:22:23 -08:00
page_cgroup.c memory-hotplug: auto offline page_cgroup when onlining memory block failed 2012-12-11 17:22:23 -08:00
page_io.c mm: add support for direct_IO to highmem pages 2012-07-31 18:42:47 -07:00
page_isolation.c memory-hotplug: skip HWPoisoned page when offlining pages 2012-12-11 17:22:22 -08:00
page-writeback.c writeback: remove nr_pages_dirtied arg from balance_dirty_pages_ratelimited_nr() 2012-12-11 17:22:21 -08:00
pagewalk.c mm: fix kernel-doc warnings 2012-06-20 14:39:36 -07:00
percpu-km.c
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
readahead.c switch simple cases of fget_light to fdget 2012-09-26 22:20:08 -04:00
rmap.c mm: add comment on storage key dirty bit semantics 2012-12-11 17:22:23 -08:00
shmem.c tmpfs: fix shared mempolicy leak 2012-12-06 11:56:43 -08:00
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 slub, hotplug: ignore unrelated node's hot-adding and hot-removing 2012-12-11 17:22:23 -08:00
sparse-vmemmap.c
sparse.c memory-hotplug, mm/sparse.c: clear the memory to store struct page 2012-12-11 17:22:23 -08:00
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 mm: do not call frontswap_init() during swapoff 2012-12-11 17:22:24 -08:00
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 IS_ENABLED(CONFIG_NUMA) instead of NUMA_BUILD 2012-12-11 17:22:22 -08:00
vmscan.c mm,vmscan: only evict file pages when we have plenty 2012-12-11 17:22:23 -08:00
vmstat.c mm: remove unevictable_pgs_mlockfreed 2012-10-09 16:22:59 +09:00