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Date: Thu, 6 Mar 2014 16:04:27 -0500 From: Tejun Heo <tj@...nel.org> To: David Rientjes <rientjes@...gle.com> Cc: Andrew Morton <akpm@...ux-foundation.org>, Johannes Weiner <hannes@...xchg.org>, Michal Hocko <mhocko@...e.cz>, KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>, Christoph Lameter <cl@...ux-foundation.org>, Pekka Enberg <penberg@...nel.org>, Mel Gorman <mgorman@...e.de>, Oleg Nesterov <oleg@...hat.com>, Rik van Riel <riel@...hat.com>, Jianguo Wu <wujianguo@...wei.com>, Tim Hockin <thockin@...gle.com>, linux-kernel@...r.kernel.org, linux-mm@...ck.org, cgroups@...r.kernel.org, linux-doc@...r.kernel.org Subject: Re: [patch 04/11] mm, memcg: add tunable for oom reserves On Tue, Mar 04, 2014 at 07:59:19PM -0800, David Rientjes wrote: > Userspace needs a way to define the amount of memory reserves that > processes handling oom conditions may utilize. This patch adds a per- > memcg oom reserve field and file, memory.oom_reserve_in_bytes, to > manipulate its value. > > If currently utilized memory reserves are attempted to be reduced by > writing a smaller value to memory.oom_reserve_in_bytes, it will fail with > -EBUSY until some memory is uncharged. > > Signed-off-by: David Rientjes <rientjes@...gle.com> We're completely unsure this is the way we wanna be headed and this is a huge commitment. For now at least, Nacked-by: Tejun Heo <tj@...nel.org> -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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