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mm/page_isolation.c: fix the function comments

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Commit fea85cff11 ("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>
Cc: Joonsoo Kim <js1304@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Neil Zhang
2016-04-01 14:31:37 -07:00
committed by Linus Torvalds
parent af8e15cc85
commit ec3b688250
1 changed files with 1 additions and 1 deletions
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mm/page_isolation.c
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@@ -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. * all pages in [start_pfn...end_pfn) must be in the same zone.
* zone->lock must be held before call this. * 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 static unsigned long
__test_page_isolated_in_pageblock(unsigned long pfn, unsigned long end_pfn, __test_page_isolated_in_pageblock(unsigned long pfn, unsigned long end_pfn,