From: Kautuk Consul <consul.kautuk@gmail.com>
Date: Tue, 20 Mar 2012 13:26:53 +0000 (-0400)
Subject: parisc/mm/fault.c: Port OOM changes to do_page_fault
X-Git-Tag: v3.9-rc1~102^2~12
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=38057477b98712bd9c735bf9d26b83c25d9d3279;p=pandora-kernel.git

parisc/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 parisc.

Signed-off-by: Kautuk Consul <consul.kautuk@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
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