From: Cody P Schafer <cody@linux.vnet.ibm.com>
Date: Sat, 23 Feb 2013 00:35:30 +0000 (-0800)
Subject: mm: add helper ensure_zone_is_initialized()
X-Git-Tag: v3.9-rc1~99^2~31
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f6bbb78e5bcbe45cfb8ed0d7ecd1549f4eb46a30;p=pandora-kernel.git

mm: add helper ensure_zone_is_initialized()

ensure_zone_is_initialized() checks if a zone is in a empty & not
initialized state (typically occuring after it is created in memory
hotplugging), and, if so, calls init_currently_empty_zone() to
initialize the zone.

Signed-off-by: Cody P Schafer <cody@linux.vnet.ibm.com>
Cc: David Hansen <dave@linux.vnet.ibm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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