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Date: Thu, 2 Nov 2017 10:36:11 +0100 From: Michal Hocko <mhocko@...nel.org> To: <linux-mm@...ck.org> Cc: Peter Zijlstra <peterz@...radead.org>, Thomas Gleixner <tglx@...utronix.de>, Johannes Weiner <hannes@...xchg.org>, Mel Gorman <mgorman@...e.de>, Tejun Heo <tj@...nel.org>, LKML <linux-kernel@...r.kernel.org> Subject: [RFC 0/2] do not depend on cpuhotplug logs in lru_add_drain_all Hi, this is an RFC to drop get_online_cpus from lru_add_drain_all ad this has caused a very subtle lockdep splats recently [1]. I didn't get even to properly test this yet and I am sending it early to check whether the thinking behind is sound. I am basically following the same pattern we have used for removing get_online_cpus from drain_all_pages which should be the similar case. Does anybody see any obvious problem? [1] http://lkml.kernel.org/r/089e0825eec8955c1f055c83d476@google.com
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