From: Kautuk Consul <consul.kautuk@gmail.com>
Date: Wed, 12 Dec 2012 15:36:39 +0000 (+0000)
Subject: mn10300/mm/fault.c: Port OOM changes to do_page_fault
X-Git-Tag: omap-for-v3.8/fixes-for-merge-window-v4-signed~46^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3d7b6a674e266999a90ff1e21c6c839e30200c51;p=pandora-kernel.git

mn10300/mm/fault.c: Port OOM changes to do_page_fault

Commit d065bd810b6deb67d4897a14bfe21f8eb526ba99
(mm: retry page fault when blocking on disk transfer) and
commit 37b23e0525d393d48a7d59f870b3bc061a30ccdb
(x86,mm: make pagefault killable)

The above commits 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 mn10300.

Signed-off-by: Kautuk Consul <consul.kautuk@gmail.com>
Signed-off-by: David Howells <dhowells@redhat.com>
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