From: Davidlohr Bueso <davidlohr@hp.com>
Date: Wed, 4 Jun 2014 23:06:46 +0000 (-0700)
Subject: mm,vmacache: add debug data
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~56^2~16^2~224
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4f115147ff802267d0aa41e361c5aa5bd933d896;p=pandora-kernel.git

mm,vmacache: add debug data

Introduce a CONFIG_DEBUG_VM_VMACACHE option to enable counting the cache
hit rate -- exported in /proc/vmstat.

Any updates to the caching scheme needs this kind of data, thus it can
save some work re-implementing the counting all the time.

Signed-off-by: Davidlohr Bueso <davidlohr@hp.com>
Cc: Aswin Chandramouleeswaran <aswin@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

Reading git-diff-tree failed