From: Neil Zhang <neilzhang1123@hotmail.com>
To: linux-kernel@vger.kernel.org, linux-mm@kvack.org
Cc: akpm@linux-foundation.org, js1304@gmail.com,
Neil Zhang <neilzhang1123@hotmail.com>
Subject: [PATCH] mm/page_isolation.c: fix the function comments
Date: Tue, 29 Mar 2016 17:43:53 +0800 [thread overview]
Message-ID: <BLU437-SMTP663CF466BDC7F9124425CDBA870@phx.gbl> (raw)
commit fea85cff11de ("mm/page_isolation.c: return last tested pfn rather
than failure indicator") changed the meaning of the return value.
Let's change the function comments as well.
Signed-off-by: Neil Zhang <neilzhang1123@hotmail.com>
---
mm/page_isolation.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/page_isolation.c b/mm/page_isolation.c
index 92c4c36..9f9b394 100644
--- a/mm/page_isolation.c
+++ b/mm/page_isolation.c
@@ -215,7 +215,7 @@ int undo_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
* all pages in [start_pfn...end_pfn) must be in the same zone.
* zone->lock must be held before call this.
*
- * Returns 1 if all pages in the range are isolated.
+ * Returns the last tested pfn.
*/
static unsigned long
__test_page_isolated_in_pageblock(unsigned long pfn, unsigned long end_pfn,
--
1.7.9.5
--
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reply other threads:[~2016-03-29 9:44 UTC|newest]
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