linux-kernel - [PATCH] mm: compaction: staticize compact_zone

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Message-id: <20110921085843.GA16233@july>
Date:	Wed, 21 Sep 2011 17:58:43 +0900
From:	Kyungmin Park <kmpark@...radead.org>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Mel Gorman <mel@....ul.ie>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Minchan Kim <minchan.kim@...il.com>
Cc:	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: [PATCH] mm: compaction: staticize compact_zone_order

From: Kyungmin Park <kyungmin.park@...sung.com>

There's no user to use compact_zone_order. So staticize this function.

Signed-off-by: Kyungmin Park <kyungmin.park@...sung.com>
---
diff --git a/include/linux/compaction.h b/include/linux/compaction.h
index cc9f7a4..bb2bbdb 100644
--- a/include/linux/compaction.h
+++ b/include/linux/compaction.h
@@ -24,8 +24,6 @@ extern unsigned long try_to_compact_pages(struct zonelist *zonelist,
 			int order, gfp_t gfp_mask, nodemask_t *mask,
 			bool sync);
 extern unsigned long compaction_suitable(struct zone *zone, int order);
-extern unsigned long compact_zone_order(struct zone *zone, int order,
-					gfp_t gfp_mask, bool sync);
 
 /* Do not skip compaction more than 64 times */
 #define COMPACT_MAX_DEFER_SHIFT 6
@@ -69,12 +67,6 @@ static inline unsigned long compaction_suitable(struct zone *zone, int order)
 	return COMPACT_SKIPPED;
 }
 
-static inline unsigned long compact_zone_order(struct zone *zone, int order,
-					       gfp_t gfp_mask, bool sync)
-{
-	return COMPACT_CONTINUE;
-}
-
 static inline void defer_compaction(struct zone *zone)
 {
 }
diff --git a/mm/compaction.c b/mm/compaction.c
index 6cc604b..c17079e 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -586,7 +586,7 @@ out:
 	return ret;
 }
 
-unsigned long compact_zone_order(struct zone *zone,
+static unsigned long compact_zone_order(struct zone *zone,
 				 int order, gfp_t gfp_mask,
 				 bool sync)
 {
--
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