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Thu, 29 Sep 2022 05:49:45 -0700 (PDT) X-Google-Smtp-Source: AMsMyM4pDEQm853od9uXDxyzSQp9FIOigyMNiHHv2cBX1TiTmWCSnLC71eEUMDfN/FGECMntfwvdjdoIBt+QbexJOT4= X-Received: by 2002:a17:902:d88b:b0:178:264b:5aa4 with SMTP id b11-20020a170902d88b00b00178264b5aa4mr3327473plz.44.1664455785337; Thu, 29 Sep 2022 05:49:45 -0700 (PDT) MIME-Version: 1.0 References: <20220924152227.819815-1-atomlin@redhat.com> <20220924152227.819815-5-atomlin@redhat.com> <20220929082216.vbkyzbxhsq2ixjdm@ava.usersys.com> In-Reply-To: <20220929082216.vbkyzbxhsq2ixjdm@ava.usersys.com> From: Rafael Folco Date: Thu, 29 Sep 2022 09:49:33 -0300 Message-ID: Subject: Re: [PATCH v8 4/5] tick/nohz_full: Ensure quiet_vmstat() is called on exit to user-mode when the idle tick is stopped To: Aaron Tomlin Cc: frederic@kernel.org, mtosatti@redhat.com, cl@linux.com, tglx@linutronix.de, mingo@kernel.org, peterz@infradead.org, pauld@redhat.com, neelx@redhat.com, oleksandr@natalenko.name, atomlin@atomlin.com, akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; 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dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=SuC30ucH; spf=pass (imf29.hostedemail.com: domain of rfolco@redhat.com designates 170.10.133.124 as permitted sender) smtp.mailfrom=rfolco@redhat.com; dmarc=pass (policy=none) header.from=redhat.com X-Rspamd-Server: rspam01 X-HE-Tag: 1664455790-314825 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: Yes, please do. Thanks! On Thu, Sep 29, 2022 at 5:22 AM Aaron Tomlin wrote: > > On Tue 2022-09-27 13:17 -0300, Rafael Folco wrote: > > Tested this patch w/ nohz_full setup and oslat 8h run on isolated cpus, max > > latency is 7us versus 15us without the patch. > > Thanks. > > Hi Rafael, > > Good news. Thanks for the feedback. > May I add Tested-by: ? > > > Kind regards, > > -- > Aaron Tomlin > -- Folco