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Date: Thu, 6 Nov 2014 10:08:45 +0100
From: Michal Hocko <mhocko@suse.cz>
Subject: Re: [mmotm:master 143/283] mm/slab.c:3260:4: error: implicit
 declaration of function 'slab_free'
Message-ID: <20141106090845.GA17744@dhcp22.suse.cz>
References: <201411060959.OFpcU713%fengguang.wu@intel.com>
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To: kbuild test robot <fengguang.wu@intel.com>
Cc: Vladimir Davydov <vdavydov@parallels.com>, kbuild-all@01.org, Johannes Weiner <hannes@cmpxchg.org>, Andrew Morton <akpm@linux-foundation.org>, Linux Memory Management List <linux-mm@kvack.org>

Hi,
I have encountered the same error as well. We need to move the forward
declaration up outside of CONFIG_NUMA:
---