From: Bob Liu <lliubbo@gmail.com>
To: akpm@linux-foundation.org
Cc: mgorman@suse.de, minchan@kernel.org, m.szyprowski@samsung.com,
kamezawa.hiroyu@jp.fujitsu.com, mhocko@suse.cz,
linux-mm@kvack.org, Bob Liu <lliubbo@gmail.com>
Subject: [PATCH] mm: cma: alloc_contig_range: return early for err path
Date: Tue, 23 Oct 2012 14:45:57 +0800 [thread overview]
Message-ID: <1350974757-27876-1-git-send-email-lliubbo@gmail.com> (raw)
If start_isolate_page_range() failed, unset_migratetype_isolate() has been
done inside it.
Signed-off-by: Bob Liu <lliubbo@gmail.com>
---
mm/page_alloc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index bb90971..b0012ab 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -5825,7 +5825,7 @@ int alloc_contig_range(unsigned long start, unsigned long end,
ret = start_isolate_page_range(pfn_max_align_down(start),
pfn_max_align_up(end), migratetype);
if (ret)
- goto done;
+ return ret;
ret = __alloc_contig_migrate_range(&cc, start, end);
if (ret)
--
1.7.9.5
--
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next reply other threads:[~2012-10-23 6:46 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-23 6:45 Bob Liu [this message]
2012-10-23 6:55 ` [PATCH] mm: cma: alloc_contig_range: return early for err path Ni zhan Chen
2012-10-23 12:13 ` Marek Szyprowski
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