The patch titled
mm: page_isolation: codeclean fix comment and rm unneeded val init
has been added to the -mm tree. Its filename is
mm-page_isolation-codeclean-fix-comment-and-rm-unneeded-val-init.patch
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------------------------------------------------------
Subject: mm: page_isolation: codeclean fix comment and rm unneeded val init
From: Bob Liu <lliubbo@xxxxxxxxx>
__test_page_isolated_in_pageblock() returns 1 if all pages in the range
are isolated, so fix the comment. Variable `pfn' will be initialised in
the following loop so remove it.
Signed-off-by: Bob Liu <lliubbo@xxxxxxxxx>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
Cc: Wu Fengguang <fengguang.wu@xxxxxxxxx>
Cc: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
Cc: Mel Gorman <mel@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/page_isolation.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff -puN mm/page_isolation.c~mm-page_isolation-codeclean-fix-comment-and-rm-unneeded-val-init mm/page_isolation.c
--- a/mm/page_isolation.c~mm-page_isolation-codeclean-fix-comment-and-rm-unneeded-val-init
+++ a/mm/page_isolation.c
@@ -86,7 +86,7 @@ undo_isolate_page_range(unsigned long st
* all pages in [start_pfn...end_pfn) must be in the same zone.
* zone->lock must be held before call this.
*
- * Returns 0 if all pages in the range is isolated.
+ * Returns 1 if all pages in the range is isolated.
*/
static int
__test_page_isolated_in_pageblock(unsigned long pfn, unsigned long end_pfn)
@@ -119,7 +119,6 @@ int test_pages_isolated(unsigned long st
struct zone *zone;
int ret;
- pfn = start_pfn;
/*
* Note: pageblock_nr_page != MAX_ORDER. Then, chunks of free page
* is not aligned to pageblock_nr_pages.
_
Patches currently in -mm which might be from lliubbo@xxxxxxxxx are
origin.patch
linux-next.patch
mm-page_isolation-codeclean-fix-comment-and-rm-unneeded-val-init.patch
mm-do_migrate_range-exit-loop-if-not_managed-is-true.patch
mm-do_migrate_range-reduce-list_empty-check.patch
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