From 21ddfd38ee9aac804d22beaceed4c7b903cca234 Mon Sep 17 00:00:00 2001
From: Jianyu Zhan <nasa4836@gmail.com>
Date: Fri, 28 Mar 2014 20:55:21 +0800
Subject: [PATCH] percpu: renew the max_contig if we merge the head and
 previous block

During pcpu_alloc_area(), we might merge the current head with the
previous block. Since we have calculated the max_contig using the
size of previous block before we skip it, and now we update the size
of previous block, so we should renew the max_contig.

Signed-off-by: Jianyu Zhan <nasa4836@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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