From 54266640709a24c9844245d0d9f36b9cb1f31326 Mon Sep 17 00:00:00 2001
From: Wei Yang <weiyang@linux.vnet.ibm.com>
Date: Wed, 6 Aug 2014 16:04:42 -0700
Subject: [PATCH] slub: avoid duplicate creation on the first object

When a kmem_cache is created with ctor, each object in the kmem_cache
will be initialized before ready to use.  While in slub implementation,
the first object will be initialized twice.

This patch reduces the duplication of initialization of the first
object.

Fix commit 7656c72b ("SLUB: add macros for scanning objects in a slab").

Signed-off-by: Wei Yang <weiyang@linux.vnet.ibm.com>
Acked-by: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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