Commit b8b2d825 authored Oct 09, 2014 by Xiubo Li Committed by Linus Torvalds Oct 09, 2014

mm/compaction.c: fix warning of 'flags' may be used uninitialized



C      mm/compaction.o
mm/compaction.c: In function isolate_freepages_block:
mm/compaction.c:364:37: warning: flags may be used uninitialized in this function [-Wmaybe-uninitialized]
       && compact_unlock_should_abort(&cc->zone->lock, flags,
                                     ^

Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Mel Gorman <mgorman@suse.de>
Cc: David Rientjes <rientjes@google.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent ff26f70f

mm/compaction.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -344,7 +344,7 @@ static unsigned long isolate_freepages_block(struct compact_control *cc,
		{
		int nr_scanned = 0, total_isolated = 0;
		struct page cursor, valid_page = NULL;
		unsigned long flags;
		unsigned long flags = 0;
		bool locked = false;
		unsigned long blockpfn = *start_pfn;

		@@ -570,7 +570,7 @@ isolate_migratepages_block(struct compact_control *cc, unsigned long low_pfn,
		unsigned long nr_scanned = 0, nr_isolated = 0;
		struct list_head *migratelist = &cc->migratepages;
		struct lruvec *lruvec;
		unsigned long flags;
		unsigned long flags = 0;
		bool locked = false;
		struct page page = NULL, valid_page = NULL;

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