From: "Hillf Danton" <hillf.zj@alibaba-inc.com>
To: 'Vlastimil Babka' <vbabka@suse.cz>,
'Mel Gorman' <mgorman@techsingularity.net>,
'Ganapatrao Kulkarni' <gpkulkarni@gmail.com>
Cc: 'Michal Hocko' <mhocko@kernel.org>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [RFC 3/4] mm, page_alloc: move cpuset seqcount checking to slowpath
Date: Wed, 18 Jan 2017 15:22:13 +0800 [thread overview]
Message-ID: <036f01d2715b$97827e80$c6877b80$@alibaba-inc.com> (raw)
In-Reply-To: <20170117221610.22505-4-vbabka@suse.cz>
On Wednesday, January 18, 2017 6:16 AM Vlastimil Babka wrote:
>
> This is a preparation for the following patch to make review simpler. While
> the primary motivation is a bug fix, this could also save some cycles in the
> fast path.
>
This also gets kswapd involved.
Dunno how frequent cpuset is changed in real life.
Hillf
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next prev parent reply other threads:[~2017-01-18 7:22 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-17 22:16 [RFC 0/4] fix premature OOM due to cpuset races Vlastimil Babka
2017-01-17 22:16 ` [RFC 1/4] mm, page_alloc: fix check for NULL preferred_zone Vlastimil Babka
2017-01-18 9:31 ` Michal Hocko
2017-01-18 9:45 ` Vlastimil Babka
2017-01-18 9:53 ` Michal Hocko
2017-01-18 9:45 ` Mel Gorman
2017-01-17 22:16 ` [RFC 2/4] mm, page_alloc: fix fast-path race with cpuset update or removal Vlastimil Babka
2017-01-18 9:34 ` Michal Hocko
2017-01-18 9:46 ` Mel Gorman
2017-01-17 22:16 ` [RFC 3/4] mm, page_alloc: move cpuset seqcount checking to slowpath Vlastimil Babka
2017-01-18 7:22 ` Hillf Danton [this message]
2017-01-18 9:26 ` Vlastimil Babka
2017-01-18 9:40 ` Michal Hocko
2017-01-18 9:48 ` Vlastimil Babka
2017-01-18 9:55 ` Michal Hocko
2017-01-18 10:03 ` Mel Gorman
2017-01-17 22:16 ` [RFC 4/4] mm, page_alloc: fix premature OOM when racing with cpuset mems update Vlastimil Babka
2017-01-18 7:12 ` Hillf Danton
2017-01-18 9:32 ` Vlastimil Babka
2017-01-18 10:08 ` Mel Gorman
2017-01-18 9:19 ` [RFC 0/4] fix premature OOM due to cpuset races Michal Hocko
2017-01-18 16:20 ` [RFC 5/4] mm, page_alloc: fix premature OOM due to vma mempolicy update Vlastimil Babka
2017-01-18 16:23 ` Vlastimil Babka
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