Received: by 2002:a05:6a10:1287:0:0:0:0 with SMTP id d7csp1635561pxv; Fri, 23 Jul 2021 13:20:27 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzjd/khziZtQPEA0J8SpU4fOLDAVLDur/rXr+oDqTBNMgu1Zw7czijHGie+jRK+f5K06H5q X-Received: by 2002:a5d:9958:: with SMTP id v24mr5199595ios.4.1627071627391; Fri, 23 Jul 2021 13:20:27 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1627071627; cv=none; d=google.com; s=arc-20160816; b=bldjk1SeQz3bs7Q1OeGoCYM9buwn6InizXDlr5yZvgXp+rTb8tvEhwBXuN6SFBTXPy WkAnII+HkLiftdTm3mEjnQdUeBq91R6qtiuvD2wWHVuS3SOOXGTYe5AX/viucMxTIgu1 X6w0wU2CLyY0iIqti+/Hv1LxtWHEKphuch7QTkOU+/T7DP5conYiNB4sQjX3usTq6HYI NSAAShij4IJLHeZ96Ubzx6zD+EjaN3h0viU9nBAEbhhljE9d0xTM69hRbFblqQGzjHLH 86tEsAxPkGp85RO0X/evMv5+ghy5oo6p6wB9+qggZgAv399vwuTMzOGjciXJgNB6hLnU eUxw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:subject:cc:to:from:date :dkim-signature; bh=izaTpSnp/QL2O5QFBmj93Vo6r9VOMLJqQxmqh2ERYCI=; b=aCkVI/lU6M2kDZv5ZQDWW9CE4zDtyRNVOGS7I0h3++HaXFJ72QpAULOKeA3BepBkgA KhXGXY/g9OBlyPvVzEc+WUN7/IX1AqGBt9zNadM1N9GH5YlRpqSHXHI0TEDJbhZ88J7h C6qPkJvvNEQu2AR8fy0245RbTgPrDDe12kZtUteyJCAxFxpIiQHRkShgcNNoIZYYkGB7 L2Qk9eFP19K6YhXibGO4Uq/t73kz4Yv9u/N382V60TrJDOXs2xvrsVs7AuLu9NclBYRP 9u0pxyl3vJhSJG+jqt/V1A+Staf7e2HZ/uYPRH6CzS+nEquw5PY30Fb1COyvcWjjuE5a uopw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linux-foundation.org header.s=korg header.b=d6DCfyTB; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id g14si24263775jaj.31.2021.07.23.13.20.15; Fri, 23 Jul 2021 13:20:27 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@linux-foundation.org header.s=korg header.b=d6DCfyTB; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229878AbhGWTjD (ORCPT + 99 others); Fri, 23 Jul 2021 15:39:03 -0400 Received: from mail.kernel.org ([198.145.29.99]:58986 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229461AbhGWTjC (ORCPT ); Fri, 23 Jul 2021 15:39:02 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id A189A60ED7; Fri, 23 Jul 2021 20:19:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1627071574; bh=0BAO7UovvvSbaYafDUDdTwXZEq2gIph4eDBcdB5yieQ=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=d6DCfyTB0esEzQbIWFCeaUvfgjwA4lX8+8wNkEy2usvctfv4WVW3j2w1Uyd50o/a+ 8T1BPd2lB2f+833Rx9YjdKx+35W+Qg6L13oYLc0tpGhUBn/V+tuNEbAhsK7ZclSndD F9V2ely94T/BSrRzewRhufSwvzowyvkdPyYwdcVI= Date: Fri, 23 Jul 2021 13:19:32 -0700 From: Andrew Morton To: "Huang, Ying" Cc: Christian Borntraeger , Sean Christopherson , Yang Shi , Zi Yan , Linux MM , Linux Kernel Mailing List , Dan Carpenter , Mel Gorman , Gerald Schaefer , Heiko Carstens , Hugh Dickins , Andrea Arcangeli , "Kirill A . Shutemov" , Michal Hocko , Vasily Gorbik , Paolo Bonzini , kvm list Subject: Re: [PATCH] mm,do_huge_pmd_numa_page: remove unnecessary TLB flushing code Message-Id: <20210723131932.aa889158e9c8cd3ac089e8e5@linux-foundation.org> In-Reply-To: <878s1xaobl.fsf@yhuang6-desk2.ccr.corp.intel.com> References: <20210720065529.716031-1-ying.huang@intel.com> <0D75A92F-E2AA-480C-9E9A-0B6EE7897757@nvidia.com> <87lf5z9osl.fsf@yhuang6-desk2.ccr.corp.intel.com> <572f1ddd-9ac6-fb09-9a24-1c667dbd1d03@de.ibm.com> <878s1xaobl.fsf@yhuang6-desk2.ccr.corp.intel.com> X-Mailer: Sylpheed 3.5.1 (GTK+ 2.24.32; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 23 Jul 2021 08:03:42 +0800 "Huang, Ying" wrote: > Can you help to add the following text to the end of the original patch > description? > > " > The mmu_notifier_invalidate_range() in do_huge_pmd_numa_page() is > deleted too. Because migrate_pages() takes care of that too when CPU > TLB is flushed. > " Done.