From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Tue, 26 Sep 2006 06:30:59 +0000 (-0700)
Subject: [PATCH] mm: optimize the new mprotect() code a bit
X-Git-Tag: v2.6.19-rc1~1223
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c1e6098b23bb46e2b488fe9a26f831f867157483;p=pandora-kernel.git

[PATCH] mm: optimize the new mprotect() code a bit

mprotect() resets the page protections, which could result in extra write
faults for those pages whose dirty state we track using write faults and are
dirty already.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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