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-rw-r--r--mm/page_isolation.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/page_isolation.c b/mm/page_isolation.c
index 31555b689eb9..c4f568206544 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,