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[209.85.208.182]) by smtp.gmail.com with ESMTPSA id v17-v6sm3964430ljg.32.2018.12.05.15.51.23 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 05 Dec 2018 15:51:23 -0800 (PST) Received: by mail-lj1-f182.google.com with SMTP id u6-v6so20002129ljd.1 for ; Wed, 05 Dec 2018 15:51:23 -0800 (PST) X-Received: by 2002:a2e:9983:: with SMTP id w3-v6mr303324lji.133.1544053882771; Wed, 05 Dec 2018 15:51:22 -0800 (PST) MIME-Version: 1.0 References: <20181203185954.GM31738@dhcp22.suse.cz> <20181203201214.GB3540@redhat.com> <64a4aec6-3275-a716-8345-f021f6186d9b@suse.cz> <20181204104558.GV23260@techsingularity.net> <20181205204034.GB11899@redhat.com> <20181205233632.GE11899@redhat.com> In-Reply-To: <20181205233632.GE11899@redhat.com> From: Linus Torvalds Date: Wed, 5 Dec 2018 15:51:06 -0800 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [LKP] [mm] ac5b2c1891: vm-scalability.throughput -61.3% regression To: Andrea Arcangeli Cc: mgorman@techsingularity.net, Vlastimil Babka , mhocko@kernel.org, ying.huang@intel.com, s.priebe@profihost.ag, Linux List Kernel Mailing , alex.williamson@redhat.com, lkp@01.org, David Rientjes , kirill@shutemov.name, Andrew Morton , zi.yan@cs.rutgers.edu Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Dec 5, 2018 at 3:36 PM Andrea Arcangeli wrote: > > Like said earlier still better to apply __GFP_COMPACT_ONLY or David's > patch than to return to v4.18 though. Ok, I've applied David's latest patch. I'm not at all objecting to tweaking this further, I just didn't want to have this regression stand. Linus