From: Andrea Arcangeli <aarcange@redhat.com>
Date: Thu, 13 Jan 2011 23:46:42 +0000 (-0800)
Subject: thp: bail out gup_fast on splitting pmd
X-Git-Tag: v2.6.38-rc1~153
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=64cc6ae001d70bc59e5f854e6b5678f59110df16;p=pandora-kernel.git

thp: bail out gup_fast on splitting pmd

Force gup_fast to take the slow path and block if the pmd is splitting,
not only if it's none.

Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Acked-by: Rik van Riel <riel@redhat.com>
Acked-by: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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