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authorKautuk Consul <consul.kautuk@gmail.com>2012-05-31 16:26:03 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-05-31 17:49:26 -0700
commit1cefe28f95da307287a05a6a0c10213f01055e2a (patch)
tree6810a5c8f413f67d359da6243ee75c60c704d16c /Documentation/sh
parent4f1c28d241d0882f25112d494885cd6084db225b (diff)
um/kernel/trap.c: port OOM changes to handle_page_fault()
Commit d065bd810b6d ("mm: retry page fault when blocking on disk transfer") and commit 37b23e0525d3 ("x86,mm: make pagefault killable") introduced changes into the x86 pagefault handler for making the page fault handler retryable as well as killable. These changes reduce the mmap_sem hold time, which is crucial during OOM killer invocation. Port these changes to um. Signed-off-by: Kautuk Consul <consul.kautuk@gmail.com> Cc: Jeff Dike <jdike@addtoit.com> Cc: Richard Weinberger <richard@nod.at> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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