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Groups > linux.kernel > #1625875
| From | Michal Hocko <mhocko@kernel.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: Re: "mm: move pcp and lru-pcp draining into single wq" broke resume from s2ram |
| Date | 2017-04-19 09:20 +0200 |
| Message-ID | <txS49-oS-5@gated-at.bofh.it> (permalink) |
| References | <txHs7-1Kl-51@gated-at.bofh.it> <txHLr-267-11@gated-at.bofh.it> <txQF3-7PH-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Wed 19-04-17 14:41:30, Tetsuo Handa wrote:
[...]
> Somebody is waiting forever with cpu_hotplug.lock held?
Why would that matter for drain_all_pages? It doesn't use
get_online_cpus since a459eeb7b852 ("mm, page_alloc: do not depend on
cpu hotplug locks inside the allocator") while ce612879ddc7 ("mm: move
pcp and lru-pcp draining into single wq") was merged later.
--
Michal Hocko
SUSE Labs
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"mm: move pcp and lru-pcp draining into single wq" broke resume from s2ram Geert Uytterhoeven <geert@linux-m68k.org> - 2017-04-18 22:00 +0200
Re: "mm: move pcp and lru-pcp draining into single wq" broke resume from s2ram Michal Hocko <mhocko@kernel.org> - 2017-04-18 22:20 +0200
Re: Re: "mm: move pcp and lru-pcp draining into single wq" broke resume from s2ram Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp> - 2017-04-19 07:50 +0200
Re: Re: "mm: move pcp and lru-pcp draining into single wq" broke resume from s2ram Michal Hocko <mhocko@kernel.org> - 2017-04-19 09:20 +0200
Re: Re: Re: "mm: move pcp and lru-pcp draining into single wq" broke resume from s2ram Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp> - 2017-04-19 09:30 +0200
Re: Re: Re: "mm: move pcp and lru-pcp draining into single wq" broke resume from s2ram Michal Hocko <mhocko@kernel.org> - 2017-04-19 10:00 +0200
Re: Re: Re: "mm: move pcp and lru-pcp draining into single wq" broke resume from s2ram Geert Uytterhoeven <geert@linux-m68k.org> - 2017-04-19 10:10 +0200
Re: Re: Re: "mm: move pcp and lru-pcp draining into single wq" broke resume from s2ram Michal Hocko <mhocko@kernel.org> - 2017-04-19 10:20 +0200
Re: Re: Re: "mm: move pcp and lru-pcp draining into single wq" broke resume from s2ram Linus Torvalds <torvalds@linux-foundation.org> - 2017-04-20 01:00 +0200
Re: Re: Re: "mm: move pcp and lru-pcp draining into single wq" broke resume from s2ram Michal Hocko <mhocko@kernel.org> - 2017-04-20 09:00 +0200
Re: Re: "mm: move pcp and lru-pcp draining into single wq" broke resume from s2ram Michal Hocko <mhocko@kernel.org> - 2017-04-19 09:50 +0200
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