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[81.17.249.41]) by mx.google.com with ESMTPS id g3si22611288wrb.272.2019.07.16.03.03.49 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 16 Jul 2019 03:03:49 -0700 (PDT) Received-SPF: pass (google.com: domain of mgorman@techsingularity.net designates 81.17.249.41 as permitted sender) client-ip=81.17.249.41; Authentication-Results: mx.google.com; spf=pass (google.com: domain of mgorman@techsingularity.net designates 81.17.249.41 as permitted sender) smtp.mailfrom=mgorman@techsingularity.net Received: from mail.blacknight.com (pemlinmail05.blacknight.ie [81.17.254.26]) by outbound-smtp21.blacknight.com (Postfix) with ESMTPS id D2F5AB8900 for ; Tue, 16 Jul 2019 11:03:48 +0100 (IST) Received: (qmail 15829 invoked from network); 16 Jul 2019 10:03:48 -0000 Received: from unknown (HELO techsingularity.net) (mgorman@techsingularity.net@[84.203.21.36]) by 81.17.254.9 with ESMTPSA (AES256-SHA encrypted, authenticated); 16 Jul 2019 10:03:48 -0000 Date: Tue, 16 Jul 2019 11:03:47 +0100 From: Mel Gorman To: howaboutsynergy@protonmail.com Cc: Andrew Morton , "bugzilla-daemon@bugzilla.kernel.org" , "linux-mm@kvack.org" Subject: Re: [Bug 204165] New: 100% CPU usage in compact_zone_order Message-ID: <20190716100347.GB24383@techsingularity.net> References: <20190715142524.e0df173a9d7f81a384abf28f@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: I tried reproducing this but after 300 attempts with various parameters and adding other workloads in the background, I was unable to reproduce the problem. -- Mel Gorman SUSE Labs