From: Yinghai Lu <yinghai@kernel.org>
Date: Sat, 26 Feb 2011 12:05:43 +0000 (+0100)
Subject: mm: Move early_node_map[] reverse scan helpers under HAVE_MEMBLOCK
X-Git-Tag: v2.6.39-rc1~499^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cc28989437de5617875a2943697fe6ba51a0da8f;p=pandora-kernel.git

mm: Move early_node_map[] reverse scan helpers under HAVE_MEMBLOCK

Heiko found recent memblock change triggers these warnings on s390:

  mm/page_alloc.c:3623:22: warning: 'last_active_region_index_in_nid' defined but not used
  mm/page_alloc.c:3638:22: warning: 'previous_active_region_index_in_nid' defined but not used

Need to move those two function under HAVE_MEMBLOCK with its only
user, find_memory_core_early().

-tj: Minor updates to description.

Reported-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
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