From: Alex Shi <alex.shi@intel.com>
Date: Fri, 3 Feb 2012 15:34:56 +0000 (+0800)
Subject: slub: per cpu partial statistics change
X-Git-Tag: v3.4-rc1~56^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8028dcea8abbbd51b5156e40ea214c20b559cd01;p=pandora-kernel.git

slub: per cpu partial statistics change

This patch split the cpu_partial_free into 2 parts: cpu_partial_node, PCP refilling
times from node partial; and same name cpu_partial_free, PCP refilling times in
slab_free slow path. A new statistic 'cpu_partial_drain' is added to get PCP
drain to node partial times. These info are useful when do PCP tunning.

The slabinfo.c code is unchanged, since cpu_partial_node is not on slow path.

Signed-off-by: Alex Shi <alex.shi@intel.com>
Acked-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
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