From: Andrea Arcangeli <aarcange@redhat.com>
Date: Tue, 10 Aug 2010 00:19:08 +0000 (-0700)
Subject: rmap: always add new vmas at the end
X-Git-Tag: v2.6.36-rc1~436
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=26ba0cb63cb8df4e45394227f33c938920b11b88;p=pandora-kernel.git

rmap: always add new vmas at the end

Make sure to always add new VMAs at the end of the list.  This is
important so rmap_walk does not miss a VMA that was created during the
rmap_walk.

The old code got this right most of the time due to luck, but was buggy
when anon_vma_prepare reused a mergeable anon_vma.

Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: 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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