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Date: Fri, 19 Sep 2014 09:29:19 -0400 From: Johannes Weiner <hannes@...xchg.org> To: linux-mm@...ck.org Cc: Michal Hocko <mhocko@...e.cz>, Greg Thelen <gthelen@...gle.com>, Dave Hansen <dave@...1.net>, cgroups@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [patch] mm: memcontrol: lockless page counters Hi Dave, this patch removes the lock you saw with will-it-scale/page_fault2 entirely, is there a chance you could give it a spin? It's based on v3.17-rc4-mmots-2014-09-12-17-13-4 and that memcg THP fix. That kernel also includes the recent root-memcg revert, so you'd have to run it in a memcg; which is as easy as: mkdir /sys/fs/cgroup/memory/foo echo $$ >/sys/fs/cgroup/memory/foo/tasks perf record -g -a ./runtest.py page_fault2 Thanks! -- 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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