From: Cyrill Gorcunov <gorcunov@gmail.com>
Date: Wed, 11 Sep 2013 21:22:47 +0000 (-0700)
Subject: mm: make sure _PAGE_SWP_SOFT_DIRTY bit is not set on present pte
X-Git-Tag: v3.12-rc1~52^2~178
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fa0f281cf9de8e6877e6536f18a3fc77368df64d;p=pandora-kernel.git

mm: make sure _PAGE_SWP_SOFT_DIRTY bit is not set on present pte

_PAGE_SOFT_DIRTY bit should never be set on present pte so add VM_BUG_ON
to catch any potential future abuse.

Also add a comment on _PAGE_SWP_SOFT_DIRTY definition explaining scope of
its usage.

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Acked-by: Pavel Emelyanov <xemul@parallels.com>
Acked-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

Reading git-diff-tree failed