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[209.85.220.65]) by mx.google.com with SMTPS id x1sor977475ywf.114.2019.03.20.14.01.17 for (Google Transport Security); Wed, 20 Mar 2019 14:01:18 -0700 (PDT) Received-SPF: pass (google.com: domain of hannes@cmpxchg.org designates 209.85.220.65 as permitted sender) client-ip=209.85.220.65; Authentication-Results: mx.google.com; dkim=pass header.i=@cmpxchg-org.20150623.gappssmtp.com header.s=20150623 header.b=JEjXZibp; spf=pass (google.com: domain of hannes@cmpxchg.org designates 209.85.220.65 as permitted sender) smtp.mailfrom=hannes@cmpxchg.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=cmpxchg.org DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cmpxchg-org.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=Ac3c8BuwXRGufN3K90gjwkHmlf5WusrlHW6NBm1q4lU=; b=JEjXZibp3H4f5ucHf9/nYNdp/ytl0tGHWy0AKX8AmsOYBRlU8V7e7ASVsOt5LncbG1 gCS3JBKOn47BLQ8g8YjIgv5iVaKorzkc91V8QDkcVsYe9/uFey0bvFZJ40zD0zOsl8II nHTxk66AWJwMWj4oEKBm1cbfvp6BYEg7JuMVewxzaYlEdBuWcOECG93P/lHKqFr/4AtI Ay0134rkQc9XtvkOKQ5mUy2sa9+TvRSVaXpfbxTCCpsuq4KZKEtKZF+CElW2vAYDxjNZ iH6/4zmve2aF6+bRlPsYN4X24H06xqEBtv9npU1i8LLPi3xQMpqTA2LPRN+hWfZwilZn FBVg== X-Google-Smtp-Source: APXvYqwtzykOHbzXPKJJWcXH+CWrw+RxKVwf2qkPOM6F/W9FMVFsz+4hKQS1ImujNybU7Y3XRpcA9g== X-Received: by 2002:a81:430a:: with SMTP id q10mr156204ywa.508.1553115677811; Wed, 20 Mar 2019 14:01:17 -0700 (PDT) Received: from localhost ([2620:10d:c091:200::2:b52c]) by smtp.gmail.com with ESMTPSA id 207sm1091449yws.38.2019.03.20.14.01.16 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 20 Mar 2019 14:01:17 -0700 (PDT) Date: Wed, 20 Mar 2019 17:01:15 -0400 From: Johannes Weiner To: Suren Baghdasaryan Cc: gregkh@linuxfoundation.org, tj@kernel.org, lizefan@huawei.com, axboe@kernel.dk, dennis@kernel.org, dennisszhou@gmail.com, mingo@redhat.com, peterz@infradead.org, akpm@linux-foundation.org, corbet@lwn.net, cgroups@vger.kernel.org, linux-mm@kvack.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-team@android.com Subject: Re: [PATCH v6 5/7] psi: track changed states Message-ID: <20190320210115.GD19382@cmpxchg.org> References: <20190319235619.260832-1-surenb@google.com> <20190319235619.260832-6-surenb@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190319235619.260832-6-surenb@google.com> User-Agent: Mutt/1.11.4 (2019-03-13) 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: On Tue, Mar 19, 2019 at 04:56:17PM -0700, Suren Baghdasaryan wrote: > Introduce changed_states parameter into collect_percpu_times to track > the states changed since the last update. > > Signed-off-by: Suren Baghdasaryan Acked-by: Johannes Weiner This will be needed to detect whether polled states activated in the monitor patch.