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Andi Kleen a3b947eacf HWPOISON: Add poison check to page fault handling 
Bail out early when hardware poisoned pages are found in page fault handling.
Since they are poisoned they should not be mapped freshly into processes,
because that would cause another (potentially deadly) machine check

This is generally handled in the same way as OOM, just a different
error code is returned to the architecture code.

v2: Do a page unlock if needed (Fengguang Wu)

Signed-off-by: Andi Kleen <ak@linux.intel.com>
 		2009-09-16 11:50:08 +02:00
..
Kconfig Merge branch 'x86-pat-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-09-15 09:19:38 -07:00
Kconfig.debug kmemcheck: enable in the x86 Kconfig 2009-06-15 15:49:15 +02:00
Makefile Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu 2009-09-15 09:39:44 -07:00
allocpercpu.c percpu: use dynamic percpu allocator as the default percpu allocator 2009-06-24 15:13:35 +09:00
backing-dev.c writeback: check for registered bdi in flusher add and inode dirty 2009-09-11 09:20:26 +02:00
bootmem.c kmemleak: Do not report alloc_bootmem blocks as leaks 2009-08-27 14:29:17 +01:00
bounce.c block: remove some includings of blktrace_api.h 2009-06-16 11:19:36 +02:00
debug-pagealloc.c generic debug pagealloc 2009-04-01 08:59:13 -07:00
dmapool.c dmapools: protect page_list walk in show_pools() 2009-06-30 18:56:00 -07:00
fadvise.c readahead: move max_sane_readahead() calls into force_page_cache_readahead() 2009-06-16 19:47:28 -07:00
failslab.c kmemtrace, mm: fix slab.h dependency problem in mm/failslab.c 2009-04-03 12:23:01 +02:00
filemap.c vfs: Remove generic_osync_inode() and sync_page_range{_nolock}() 2009-09-14 17:08:17 +02:00
filemap_xip.c mm: do_xip_mapping_read: fix length calculation 2009-04-02 19:04:49 -07:00
fremap.c Do not account for the address space used by hugetlbfs using VM_ACCOUNT 2009-02-10 10:48:42 -08:00
highmem.c block: remove some includings of blktrace_api.h 2009-06-16 11:19:36 +02:00
hugetlb.c hugetlbfs: export vma_kernel_pagsize to modules 2009-09-10 08:33:01 +03:00
init-mm.c mm: consolidate init_mm definition 2009-06-16 19:47:28 -07:00
internal.h vmscan: do not unconditionally treat zones that fail zone_reclaim() as full 2009-06-16 19:47:45 -07:00
kmemcheck.c kmemcheck: add hooks for the page allocator 2009-06-15 15:48:33 +02:00
kmemleak-test.c percpu: clean up percpu variable definitions 2009-06-24 15:13:48 +09:00
kmemleak.c kmemleak: Improve the "Early log buffer exceeded" error message 2009-09-11 10:42:09 +01:00
maccess.c [S390] maccess: add weak attribute to probe_kernel_write 2009-06-12 10:27:37 +02:00
madvise.c mm: madvise(): correct return code 2009-06-16 19:47:40 -07:00
memcontrol.c cgroup avoid permanent sleep at rmdir 2009-07-29 19:10:35 -07:00
memory.c HWPOISON: Add poison check to page fault handling 2009-09-16 11:50:08 +02:00
memory_hotplug.c page-allocator: reset wmark_min and inactive ratio of zone when hotplug happens 2009-06-16 19:47:42 -07:00
mempolicy.c mm: make set_mempolicy(MPOL_INTERLEAV) N_HIGH_MEMORY aware 2009-08-07 10:39:55 -07:00
mempool.c mempool.c: clean up type-casting 2009-08-10 08:31:16 -07:00
migrate.c migration: only migrate_prep() once per move_pages() 2009-06-16 19:47:41 -07:00
mincore.c [CVE-2009-0029] System call wrappers part 14 2009-01-14 14:15:24 +01:00
mlock.c mm: remove CONFIG_UNEVICTABLE_LRU config option 2009-06-16 19:47:42 -07:00
mm_init.c mm: mminit_loglevel cannot be __meminitdata anymore 2008-08-20 15:40:30 -07:00
mmap.c Security/SELinux: seperate lsm specific mmap_min_addr 2009-08-17 15:09:11 +10:00
mmu_notifier.c mmu-notifiers: core 2008-07-28 16:30:21 -07:00
mmzone.c [ARM] Double check memmap is actually valid with a memmap has unexpected holes V2 2009-05-18 11:22:24 +01:00
mprotect.c perf_counter: Add mmap event hooks to mprotect() 2009-06-08 23:10:43 +02:00
mremap.c [CVE-2009-0029] System call wrappers part 13 2009-01-14 14:15:23 +01:00
msync.c [CVE-2009-0029] System call wrappers part 13 2009-01-14 14:15:23 +01:00
nommu.c nommu: fix error handling in do_mmap_pgoff() 2009-09-05 11:30:42 -07:00
oom_kill.c mm: revert "oom: move oom_adj value" 2009-08-18 16:31:13 -07:00
page-writeback.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu 2009-09-15 09:39:44 -07:00
page_alloc.c page-allocator: always change pageblock ownership when anti-fragmentation is disabled 2009-09-05 11:30:42 -07:00
page_cgroup.c memcg: remove some redundant checks 2009-06-18 13:03:47 -07:00
page_io.c mm: remove file argument from swap_readpage() 2009-06-16 19:47:44 -07:00
page_isolation.c memory hotplug: fix page_zone() calculation in test_pages_isolated() 2008-11-06 15:41:19 -08:00
pagewalk.c pagemap: pass mm into pagewalkers 2008-06-12 18:05:41 -07:00
percpu.c Merge branch 'for-next' into for-linus 2009-09-15 09:57:19 +09:00
prio_tree.c
…
quicklist.c percpu: cleanup percpu array definitions 2009-06-24 15:13:45 +09:00
readahead.c readahead: introduce context readahead algorithm 2009-06-16 19:47:30 -07:00
rmap.c HWPOISON: Export some rmap vma locking to outside world 2009-09-16 11:50:04 +02:00
shmem.c shmfs: use 'check_acl' instead of 'permission' 2009-09-08 11:08:46 -07:00
shmem_acl.c shmfs: use 'check_acl' instead of 'permission' 2009-09-08 11:08:46 -07:00
slab.c SLAB: Fix lockdep annotations 2009-06-29 09:57:10 +03:00
slob.c slab: remove duplicate kmem_cache_init_late() declarations 2009-08-06 11:36:25 +03:00
slub.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu 2009-09-15 09:39:44 -07:00
sparse-vmemmap.c vmemmap: warn about page_structs with remote distance 2008-11-06 15:41:19 -08:00
sparse.c mm: mminit_validate_memmodel_limits(): remove redundant test 2009-04-01 08:59:11 -07:00
swap.c mm: fix Committed_AS underflow on large NR_CPUS environment 2009-05-02 15:36:10 -07:00
swap_state.c writeback: add name to backing_dev_info 2009-09-11 09:20:26 +02:00
swapfile.c HWPOISON: Add support for poison swap entries v2 2009-09-16 11:50:05 +02:00
thrash.c mm: pass mm to grab_swap_token 2009-06-23 12:50:05 -07:00
truncate.c mm: remove __invalidate_mapping_pages variant 2009-06-16 19:47:43 -07:00
util.c Merge branches 'slab/documentation', 'slab/fixes', 'slob/cleanups' and 'slub/fixes' into for-linus 2009-06-17 08:30:15 +03:00
vmalloc.c vmalloc: implement pcpu_get_vm_areas() 2009-08-14 15:00:52 +09:00
vmscan.c writeback: switch to per-bdi threads for flushing data 2009-09-11 09:20:25 +02:00
vmstat.c vmscan: count the number of times zone_reclaim() scans and fails 2009-06-16 19:47:46 -07:00