Re: [PATCH 1/3] mm: fix set pageblock migratetype in deferred struct page init

From: Michal Hocko
Date: Tue Aug 16 2016 - 04:41:43 EST


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