From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Fri, 26 Sep 2008 17:32:21 +0000 (+0200)
Subject: futex: reduce mmap_sem usage
X-Git-Tag: v2.6.29-rc1~572^2~4^3~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=61270708ecf1cda148e84fbf6e0703ee5aa81814;p=pandora-kernel.git

futex: reduce mmap_sem usage

now that we rely on get_user_pages() for the shared key handling
move all the mmap_sem stuff closely around the slow paths.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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