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-rw-r--r--mm/page_isolation.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/mm/page_isolation.c b/mm/page_isolation.c
index 5e0ffd967452..4ae42bb40892 100644
--- a/mm/page_isolation.c
+++ b/mm/page_isolation.c
@@ -86,7 +86,7 @@ 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 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 start_pfn, unsigned long end_pfn)
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.
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