On Mon, Mar 14, 2016 at 04:31:32PM +0900, [email protected] wrote: > From: Joonsoo Kim <[email protected]> > > There is a system that node's pfn are overlapped like as following. > > -----pfn--------> > N0 N1 N2 N0 N1 N2 > > Therefore, we need to care this overlapping when iterating pfn range. > > In __pageblock_pfn_to_page(), there is a check for this but it's > not sufficient. This check cannot distinguish the case that zone id > is the same but node id is different. This patch fixes it. >
I think you may be mixing up page_zone_id with page_zonenum. -- Mel Gorman SUSE Labs
