From: Cyrill Gorcunov <gorcunov@openvz.org>
Date: Wed, 4 Jun 2014 23:06:42 +0000 (-0700)
Subject: mm: softdirty: don't forget to save file map softdiry bit on unmap
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~56^2~16^2~227
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b43790eedd31;p=pandora-kernel.git

mm: softdirty: don't forget to save file map softdiry bit on unmap

pte_file_mksoft_dirty operates with argument passed by a value and
returns modified result thus we need to assign @ptfile here, otherwise
itis a no-op which may lead to loss of the softdirty bit.

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: Pavel Emelyanov <xemul@parallels.com>
Cc: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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