From 723a0644a7255f532575fd43245f9ef976491328 Mon Sep 17 00:00:00 2001
From: Minchan Kim <minchan@kernel.org>
Date: Mon, 8 Oct 2012 16:32:52 -0700
Subject: mm/page_alloc: refactor out __alloc_contig_migrate_alloc()

__alloc_contig_migrate_alloc() can be used by memory-hotplug so refactor
it out (move + rename as a common name) into page_isolation.c.

[akpm@linux-foundation.org: checkpatch fixes]
Signed-off-by: Minchan Kim <minchan@kernel.org>
Cc: Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Reviewed-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Wen Congyang <wency@cn.fujitsu.com>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/page-isolation.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'include/linux')

diff --git a/include/linux/page-isolation.h b/include/linux/page-isolation.h
index fca8c0a5c188..76a9539cfd3f 100644
--- a/include/linux/page-isolation.h
+++ b/include/linux/page-isolation.h
@@ -41,6 +41,7 @@ int test_pages_isolated(unsigned long start_pfn, unsigned long end_pfn);
  */
 int set_migratetype_isolate(struct page *page);
 void unset_migratetype_isolate(struct page *page, unsigned migratetype);
-
+struct page *alloc_migrate_target(struct page *page, unsigned long private,
+				int **resultp);
 
 #endif
-- 
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