From d0048b0e59c1218d62bb4d014f34bbd7e7c0a214 Mon Sep 17 00:00:00 2001
From: Bob Liu <lliubbo@gmail.com>
Date: Thu, 12 Jan 2012 17:19:07 -0800
Subject: [PATCH] page_alloc: break early in check_for_regular_memory()

If there is a zone below ZONE_NORMAL has present_pages, we can set node
state to N_NORMAL_MEMORY, no need to loop to end.

Signed-off-by: Bob Liu <lliubbo@gmail.com>
Acked-by: Michal Hocko <mhocko@suse.cz>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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