From: Nick Piggin <npiggin@suse.de>
Date: Sun, 6 May 2007 21:49:53 +0000 (-0700)
Subject: mm: madvise avoid exclusive mmap_sem
X-Git-Tag: v2.6.22-rc1~948
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0a27a14a62921b438bb6f33772690d345a089be6;p=pandora-kernel.git

mm: madvise avoid exclusive mmap_sem

Avoid down_write of the mmap_sem in madvise when we can help it.

Acked-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Nick Piggin <npiggin@suse.de>
Cc: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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