From: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Date: Thu, 9 Oct 2014 22:26:02 +0000 (-0700)
Subject: mm/sl[ao]b: always track caller in kmalloc_(node_)track_caller()
X-Git-Tag: fixes-against-v3.18-rc2~137^2~120
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=61f47105a2c9c60e950ca808b7560f776f9bfa31;p=pandora-kernel.git

mm/sl[ao]b: always track caller in kmalloc_(node_)track_caller()

Now, we track caller if tracing or slab debugging is enabled.  If they are
disabled, we could save one argument passing overhead by calling
__kmalloc(_node)().  But, I think that it would be marginal.  Furthermore,
default slab allocator, SLUB, doesn't use this technique so I think that
it's okay to change this situation.

After this change, we can turn on/off CONFIG_DEBUG_SLAB without full
kernel build and remove some complicated '#if' defintion.  It looks more
benefitial to me.

Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Acked-by: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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