From: Albert Herranz <albert_herranz@yahoo.es>
Date: Fri, 4 Jun 2010 21:14:57 +0000 (-0700)
Subject: fb_defio: redo fix for non-dirty ptes
X-Git-Tag: v2.6.35-rc2~26
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d6d03f9158516b50d0d343158e3f33bcff1e4ca5;p=pandora-kernel.git

fb_defio: redo fix for non-dirty ptes

As pointed by Nick Piggin, ->page_mkwrite provides a way to keep a page
locked until the associated PTE is marked dirty.

Re-implement the fix by using this mechanism.

Signed-off-by: Albert Herranz <albert_herranz@yahoo.es>
Acked-by: Jaya Kumar <jayakumar.lkml@gmail.com>
Acked-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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