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Johannes Weiner 3a13c4d761 x86: finish user fault error path with fatal signal ... The x86 fault handler bails in the middle of error handling when the task has a fatal signal pending. For a subsequent patch this is a problem in OOM situations because it relies on pagefault_out_of_memory() being called even when the task has been killed, to perform proper per-task OOM state unwinding. Shortcutting the fault like this is a rather minor optimization that saves a few instructions in rare cases. Just remove it for user-triggered faults. Use the opportunity to split the fault retry handling from actual fault errors and add locking documentation that reads suprisingly similar to ARM's. Signed-off-by: Johannes Weiner <hannes@cmpxchg.org> Reviewed-by: Michal Hocko <mhocko@suse.cz> Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: David Rientjes <rientjes@google.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: azurIt <azurit@pobox.sk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		12 years ago
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kmemcheck	…
Makefile	…
amdtopology.c	…
dump_pagetables.c	…
extable.c	…
fault.c	x86: finish user fault error path with fatal signal	12 years ago
gup.c	…
highmem_32.c	mm: accurately calculate zone->managed_pages for highmem zones	12 years ago
hugetlbpage.c	mm: migrate: check movability of hugepage in unmap_and_move_huge_page()	12 years ago
init.c	x86/mm: Fix boot crash with DEBUG_PAGE_ALLOC=y and more than 512G RAM	12 years ago
init_32.c	mm/x86: prepare for removing num_physpages and simplify mem_init()	12 years ago
init_64.c	mm/x86: prepare for removing num_physpages and simplify mem_init()	12 years ago
iomap_32.c	…
ioremap.c	mm: Remove unused variable idx0 in __early_ioremap()	12 years ago
kmmio.c	…
memtest.c	…
mm_internal.h	…
mmap.c	x86 get_unmapped_area: Access mmap_legacy_base through mm_struct member	12 years ago
mmio-mod.c	x86: delete __cpuinit usage from all x86 files	12 years ago
numa.c	x86: delete __cpuinit usage from all x86 files	12 years ago
numa_32.c	mm/x86: prepare for removing num_physpages and simplify mem_init()	12 years ago
numa_64.c	…
numa_emulation.c	x86: delete __cpuinit usage from all x86 files	12 years ago
numa_internal.h	…
pageattr-test.c	x86: rename random32() to prandom_u32()	12 years ago
pageattr.c	Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	12 years ago
pat.c	…
pat_internal.h	…
pat_rbtree.c	…
pf_in.c	…
pf_in.h	…
pgtable.c	mm/pgtable: don't accumulate addr during pgd prepopulate pmd	12 years ago
pgtable_32.c	…
physaddr.c	…
physaddr.h	…
setup_nx.c	x86: delete __cpuinit usage from all x86 files	12 years ago
srat.c	ACPI / x86: Print Hot-Pluggable Field in SRAT.	12 years ago
testmmiotrace.c	…
tlb.c	mm: vmstats: track TLB flush stats on UP too	12 years ago