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 X-Spam-Level: X-Spam-Status: No, score=-13.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_IN_DEF_DKIM_WL autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 034FBC433E0 for ; Tue, 2 Feb 2021 16:08:36 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 9192764F49 for ; Tue, 2 Feb 2021 16:08:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9192764F49 Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 1A2FA6B0072; Tue, 2 Feb 2021 11:08:35 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 12C496B0073; Tue, 2 Feb 2021 11:08:35 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 01B2C6B0075; Tue, 2 Feb 2021 11:08:34 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0084.hostedemail.com [216.40.44.84]) by kanga.kvack.org (Postfix) with ESMTP id C757C6B0072 for ; Tue, 2 Feb 2021 11:08:34 -0500 (EST) Received: from smtpin07.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id CF9243628 for ; Tue, 2 Feb 2021 16:08:27 +0000 (UTC) X-FDA: 77773810296.07.pot26_16180ff275cc Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin07.hostedemail.com (Postfix) with ESMTP id 7EF2B1803F9A7 for ; Tue, 2 Feb 2021 16:08:27 +0000 (UTC) X-HE-Tag: pot26_16180ff275cc X-Filterd-Recvd-Size: 4348 Received: from mail-lj1-f173.google.com (mail-lj1-f173.google.com [209.85.208.173]) by imf35.hostedemail.com (Postfix) with ESMTP for ; Tue, 2 Feb 2021 16:08:26 +0000 (UTC) Received: by mail-lj1-f173.google.com with SMTP id l12so24592185ljc.3 for ; Tue, 02 Feb 2021 08:08:26 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=2YbBZ+pwxqYqGzzslaIJ05HgU3i6tDAPJx6PUutsceU=; b=lYNrLp7icuVClG0J9fazYAw2HM9uY8RmEN9hHo7P5itgPqG2WIJTzOhd39iPxinGqX p7SCNjwgUtHtoJTXNDdZqlSzYIppcWDa4Iov5zQZpxhQcq7KDCwba/5sCn6FNSDJmHoj RpsFJRI7q6c32wXQHvkWwPNRzBXO7265qJG52v1B/YQhrLmkXXeYEETrDFcB9M/7Aocb X/38zQNOS+bosCtRqsUVROsM7x16u43skQAHKHGQk+tpCcWKSi3JqVGVT6KQS8niirx5 fW+x23EaI01b8G99oI5I6BoltgQMzl3oC9QscMJTd+fiQVIbKO2EZk2D1nPCm0hWE9ST /kyQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=2YbBZ+pwxqYqGzzslaIJ05HgU3i6tDAPJx6PUutsceU=; b=j7Yn48wgS3ra+oEsNNqLW9x182KFEr9Dp1nd2zgNmgNui4zEpuTSgvgslmPShtcFDh ohnp0ZFl4ZA8OkMXvekbt3v90qdPbZ4/sQBripk94EFqWRH6Y88a/tnimGka9e7MCyK7 E5p7DY5RAdcf7UI1XKO3VVsmsYqmNTjOF7EnzI6G/osByzQzqh5ru2iLGx6XnAcZ0Bt+ FvWF9giI9ioPEfperpmpxZPEeFofPqyCwt3NVCYtIVCYzqyuw9S88yziAqdEV2KXN92T hTHSU1lUBCDSA9/ALlIUYlc8Jnbh+aIvWw7b11XcE/1VtbCcAuhettUh1o24HIq8G0vY 99AA== X-Gm-Message-State: AOAM530PRqvjODIrAQf/Xl+8jqzb3wW+d3DKTfTTLTeLo6YvOgPmFzrk eyQUtC+JS+dmp3/+HcxEripSXl564t7F9pAT+SpCdw== X-Google-Smtp-Source: ABdhPJwXVLSF4NT9/m9vekSoU52Sgvq+jardrJsLqwnr7vXRLhHa4uWJiDuD7UN5qVnToEL98kCCsdgLc9C1KSW3NoU= X-Received: by 2002:a2e:8005:: with SMTP id j5mr13857540ljg.34.1612282104958; Tue, 02 Feb 2021 08:08:24 -0800 (PST) MIME-Version: 1.0 References: <20210202154506.29682-1-sjpark@amazon.com> In-Reply-To: <20210202154506.29682-1-sjpark@amazon.com> From: Shakeel Butt Date: Tue, 2 Feb 2021 08:08:13 -0800 Message-ID: Subject: Re: [PATCH v23 07/15] mm/damon: Implement a debugfs-based user space interface To: SeongJae Park Cc: Andrea Arcangeli , acme@kernel.org, alexander.shishkin@linux.intel.com, amit@kernel.org, benh@kernel.crashing.org, brendan.d.gregg@gmail.com, Brendan Higgins , Qian Cai , Colin Ian King , Jonathan Corbet , David Hildenbrand , dwmw@amazon.com, Marco Elver , "Du, Fan" , foersleo@amazon.de, Greg Thelen , Ian Rogers , jolsa@redhat.com, "Kirill A. Shutemov" , Mark Rutland , Mel Gorman , Minchan Kim , Ingo Molnar , namhyung@kernel.org, "Peter Zijlstra (Intel)" , Randy Dunlap , Rik van Riel , David Rientjes , Steven Rostedt , Mike Rapoport , sblbir@amazon.com, Shuah Khan , sj38.park@gmail.com, snu@amazon.de, Vlastimil Babka , Vladimir Davydov , Yang Shi , Huang Ying , zgf574564920@gmail.com, linux-damon@amazon.com, Linux MM , linux-doc@vger.kernel.org, LKML Content-Type: text/plain; charset="UTF-8" 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, Feb 2, 2021 at 7:46 AM SeongJae Park wrote: > [snip] > > > > You can simplify by simply restricting to one pid/target per each write syscall. > > Right, thanks for the suggestion. However, I already almost finished writing > the fix. If there is no other concern, I'd like to keep current interface. > > Please go ahead with the current.