From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Fri, 26 Sep 2008 17:32:20 +0000 (+0200)
Subject: futex: rely on get_user_pages() for shared futexes
X-Git-Tag: v2.6.29-rc1~572^2~4^3~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=38d47c1b7075bd7ec3881141bb3629da58f88dab;p=pandora-kernel.git

futex: rely on get_user_pages() for shared futexes

On the way of getting rid of the mmap_sem requirement for shared futexes,
start by relying on get_user_pages().

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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