From: Christoph Lameter <cl@linux-foundation.org>
Date: Fri, 18 Dec 2009 22:26:23 +0000 (-0600)
Subject: SLUB: Make slub statistics use this_cpu_inc
X-Git-Tag: v2.6.34-rc1~189^2~1^5~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=84e554e6865c4f4ae84d38800cf270b9a67901cc;p=pandora-kernel.git

SLUB: Make slub statistics use this_cpu_inc

this_cpu_inc() translates into a single instruction on x86 and does not
need any register. So use it in stat(). We also want to avoid the
calculation of the per cpu kmem_cache_cpu structure pointer. So pass
a kmem_cache pointer instead of a kmem_cache_cpu pointer.

Signed-off-by: Christoph Lameter <cl@linux-foundation.org>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
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