On Thu, Oct 21, 2010 at 09:28:19PM +0800, Bob Liu wrote: > 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. This is a bit confusing, but the original comment should be intended for test_pages_isolated().. > 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>