Re: [PATCH v6] mm: compaction: handle incorrect MIGRATE_UNMOVABLE type pageblocks

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>From 2f3e4d5a68dfe8f42563ca0d5e530d8615b9a017 Mon Sep 17 00:00:00 2001
From: Minchan Kim <minchan@xxxxxxxxxx>
Date: Sat, 5 May 2012 08:20:27 +0900
Subject: [PATCH 2/3] compaction: remove unnecessary initialization

nr_pageblocks_skipped is declared with initialization 0.
It's not good habit because it prevents warning of compiler about
-Wuninitialized.

Signed-off-by: Minchan Kim <minchan@xxxxxxxxxx>
---
 mm/compaction.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/compaction.c b/mm/compaction.c
index 2f6ba0f..72bd87a 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -810,7 +810,7 @@ unsigned long try_to_compact_pages(struct zonelist *zonelist,
 	struct zoneref *z;
 	struct zone *zone;
 	int rc = COMPACT_SKIPPED;
-	unsigned long nr_pageblocks_skipped = 0;
+	unsigned long nr_pageblocks_skipped;
 	enum compact_mode mode = sync ? COMPACT_SYNC : COMPACT_ASYNC_MOVABLE;
 
 	/*
-- 
1.7.9.5

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