Messages in this thread | | | Date | Thu, 19 Oct 2017 13:18:32 +0300 | From | "Kirill A. Shutemov" <> | Subject | Re: [PATCH] mm: mlock: remove lru_add_drain_all() |
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On Wed, Oct 18, 2017 at 04:17:30PM -0700, Shakeel Butt wrote: > Recently we have observed high latency in mlock() in our generic > library and noticed that users have started using tmpfs files even > without swap and the latency was due to expensive remote LRU cache > draining.
Hm. Isn't the point of mlock() to pay price upfront and make execution smoother after this?
With this you shift latency onto reclaim (and future memory allocation).
I'm not sure if it's a win.
-- Kirill A. Shutemov
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