On Thu 04-08-16 19:25:03, Xishi Qiu wrote: > MAX_ORDER_NR_PAGES is usually 4M, and a pageblock is usually 2M, so we only > set one pageblock's migratetype in deferred_free_range() if pfn is aligned > to MAX_ORDER_NR_PAGES. Do I read the changelog correctly and the bug causes leaking unmovable allocations into movable zones? -- Michal Hocko SUSE Labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>