Messages in this thread | | | Date | Mon, 15 Oct 2012 17:54:37 -0700 (PDT) | From | David Rientjes <> | Subject | Re: [PATCH] doc: describe memcg swappiness more precisely memory.swappiness==0 |
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On Tue, 16 Oct 2012, Michal Hocko wrote:
> And a follow up for memcg.swappiness documentation which is more > specific about spwappiness==0 meaning. > --- > From 1bc3a94fea728107ed108edd42df464b908cd067 Mon Sep 17 00:00:00 2001 > From: Michal Hocko <mhocko@suse.cz> > Date: Mon, 15 Oct 2012 11:43:56 +0200 > Subject: [PATCH] doc: describe memcg swappiness more precisely > > since fe35004f (mm: avoid swapping out with swappiness==0) memcg reclaim > stopped swapping out anon pages completely when 0 value is used. > Although this is somehow expected it hasn't been done for a really long > time this way and so it is probably better to be explicit about the > effect. Moreover global reclaim swapps out even when swappiness is 0 > to prevent from OOM killer. > > Signed-off-by: Michal Hocko <mhocko@suse.cz>
Acked-by: David Rientjes <rientjes@google.com>
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