From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BDA05C433FE for ; Mon, 27 Sep 2021 15:43:19 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 432BE60F94 for ; Mon, 27 Sep 2021 15:43:19 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 432BE60F94 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvack.org Received: by kanga.kvack.org (Postfix) id C6E256B006C; Mon, 27 Sep 2021 11:43:18 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id C1D7D6B0072; Mon, 27 Sep 2021 11:43:18 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id B0C356B0073; Mon, 27 Sep 2021 11:43:18 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0044.hostedemail.com [216.40.44.44]) by kanga.kvack.org (Postfix) with ESMTP id 9F0166B006C for ; Mon, 27 Sep 2021 11:43:18 -0400 (EDT) Received: from smtpin01.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 434522FE06 for ; Mon, 27 Sep 2021 15:43:18 +0000 (UTC) X-FDA: 78633772476.01.4FED3F2 Received: from mail-ed1-f41.google.com (mail-ed1-f41.google.com [209.85.208.41]) by imf18.hostedemail.com (Postfix) with ESMTP id 0BCDC4002085 for ; Mon, 27 Sep 2021 15:43:17 +0000 (UTC) Received: by mail-ed1-f41.google.com with SMTP id g7so11591821edv.1 for ; Mon, 27 Sep 2021 08:43:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=Qlcc/wRWjVCOzhNQn26TjPzzhllhlD0uZ0dcQsuvCOI=; b=Lghy197Op89Rz0QE1V1paJ2AHKVKbUHzvBosZt1g8cXNl6MJHK/V6ghe98wvxn63o/ QLFPsjs2Mpgd2/ucdkJCvIpCb7tOi6ANPHQhn+Q1WQ3Eg7KjVHjdV2VQf1v3Npw37rMT q+d0a0jEsyDpdCoZ4DYaBU2FXVCjOI594qb1W28eeDT+KLiD0l2TTubBJhPClZYoUkv0 ISc8vfyS/oLmUOEoRzsJbMpRNO1rH5XkT2MomxVAQIVrtiAsPP7AxytwknXsXSyqSCTp iXLaOBDiqnxtr+93ZrB4eBoZMqhaTFy683byNwuqRZdHmvsn4a+dNmf1ZHYXER0zA/z1 EiZQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=Qlcc/wRWjVCOzhNQn26TjPzzhllhlD0uZ0dcQsuvCOI=; b=RQpih3StgiX2Ym+DJhEAXirxZdo0n2ESaTAyORtiNFUNhMBRHE04NQfrMd+gepKQln v038sF/VzKiqos7iZUyBvsuv6BflRwR/XdACfQzuScJ/pcybTZSpPCh46TM54AyP6AHl NEccP+BVOkEE9ClJfFVpAnPNfyQINj0EWcqI06nqtE7uw+1qpmZQ/c04ClvI2VXYZGKy MK2YjDxdI36EJ0wYO70VprZLmicSC8xHOXrCil8q0OolTQKKh0RxhaUERYq6FZR/++kp Jw0r885NSArQ61PgL6OgZh5YAiVQ+bBaAYsFjfHCmn2vD9Ed/JE0mMvtQTm8gDwaD8SA 5onA== X-Gm-Message-State: AOAM5310hwdg2motHna7b2ySTw84BL3RmHHees5mkFxaTWhKV7cZwX0f p4/tN6KIoNL0pXxKNDEbFCaMnBhOp9EsOuG9iqE= X-Google-Smtp-Source: ABdhPJyKUgNX6q8A9OFWfs8aafkwaSLkZiwFkY1IcplIO/jcXHLp97dpI7QrIEK7XayH//+TkEPo9I4yELzE/91anMY= X-Received: by 2002:a17:906:7848:: with SMTP id p8mr785872ejm.212.1632757396643; Mon, 27 Sep 2021 08:43:16 -0700 (PDT) MIME-Version: 1.0 References: <1632491065-10785-1-git-send-email-wang.yong12@zte.com.cn> In-Reply-To: From: yong w Date: Mon, 27 Sep 2021 23:43:04 +0800 Message-ID: Subject: Re: [PATCH v3] vmpressure: wake up work only when there is registration event To: Michal Hocko Cc: Tejun Heo , "Peter Zijlstra (Intel)" , wang.yong12@zte.com.cn, Cgroups , LKML , Linux MM , yang.yang29@zte.com.cn Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: 0BCDC4002085 X-Stat-Signature: u48egamd95a6n9jwftpxaeyib781ak9b Authentication-Results: imf18.hostedemail.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=Lghy197O; spf=pass (imf18.hostedemail.com: domain of yongw.pur@gmail.com designates 209.85.208.41 as permitted sender) smtp.mailfrom=yongw.pur@gmail.com; dmarc=pass (policy=none) header.from=gmail.com X-Rspamd-Server: rspam06 X-HE-Tag: 1632757397-93474 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000057, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: > Your data still doesn't make any sense. I have asked about that in the > previous submission and you haven't really clarified anything. How come > your task-clock has almost doubled. You are likely not not comparing > apples to apples or something weird is going on. > > This patch is not going to fly without a sensible data and analysis of > that data. I see. I'll try to test the optimization again. Thanks a lot!