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

From	Michal Hocko <mhocko@kernel.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH 1/3] mm: fix set pageblock migratetype in deferred struct page init
Date	2016-08-16 10:50 +0200
Message-ID	<s6Iem-Nx-13@gated-at.bofh.it> (permalink)
References	<s2p0B-8g0-7@gated-at.bofh.it> <s2p0B-8g0-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw

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

Back to linux.kernel | Previous | Next — Next in thread | Find similar | Unroll thread

Thread

Re: [PATCH 1/3] mm: fix set pageblock migratetype in deferred struct  page init Michal Hocko <mhocko@kernel.org> - 2016-08-16 10:50 +0200
  Re: [PATCH 1/3] mm: fix set pageblock migratetype in deferred struct  page init Xishi Qiu <qiuxishi@huawei.com> - 2016-08-16 11:00 +0200
    Re: [PATCH 1/3] mm: fix set pageblock migratetype in deferred struct  page init Michal Hocko <mhocko@kernel.org> - 2016-08-16 11:30 +0200
      [PATCH v2] mm: fix set pageblock migratetype in deferred struct page  init Xishi Qiu <qiuxishi@huawei.com> - 2016-08-16 12:10 +0200
      Re: [PATCH 1/3] mm: fix set pageblock migratetype in deferred struct  page init Vlastimil Babka <vbabka@suse.cz> - 2016-08-16 12:20 +0200
        Re: [PATCH 1/3] mm: fix set pageblock migratetype in deferred struct  page init Xishi Qiu <qiuxishi@huawei.com> - 2016-08-16 12:30 +0200
        Re: [PATCH 1/3] mm: fix set pageblock migratetype in deferred struct  page init Michal Hocko <mhocko@kernel.org> - 2016-08-16 13:20 +0200

csiph-web