function __test_page_isolated_in_pageblock() return 1 if all pages in the range is isolated, so fix the comment. value pfn will be init in the following loop so rm it. Signed-off-by: Bob Liu <lliubbo@xxxxxxxxx> --- mm/page_isolation.c | 3 +-- 1 files changed, 1 insertions(+), 2 deletions(-) diff --git a/mm/page_isolation.c b/mm/page_isolation.c index 5e0ffd9..4ae42bb 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. -- 1.5.6.3 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>