From: Wang, Yalin <Yalin.Wang@sonymobile.com>
Date: Wed, 11 Feb 2015 23:24:51 +0000 (-0800)
Subject: mm:add KPF_ZERO_PAGE flag for /proc/kpageflags
X-Git-Tag: fixes-v4.0-rc1~131^2~80
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=56873f43abdcd574b25105867a990f067747b2f4;p=pandora-kernel.git

mm:add KPF_ZERO_PAGE flag for /proc/kpageflags

Add KPF_ZERO_PAGE flag for zero_page, so that userspace processes can
detect zero_page in /proc/kpageflags, and then do memory analysis more
accurately.

Signed-off-by: Yalin Wang <yalin.wang@sonymobile.com>
Acked-by: Kirill A. Shutemov <kirill@shutemov.name>
Cc: Konstantin Khlebnikov <koct9i@gmail.com>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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