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[23.128.96.18]) by mx.google.com with ESMTP id rn17si157358ejb.653.2021.02.02.14.53.22; Tue, 02 Feb 2021 14:53:46 -0800 (PST) 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=@google.com header.s=20161025 header.b=lYNrLp7i; 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; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=google.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236102AbhBBQLT (ORCPT + 99 others); Tue, 2 Feb 2021 11:11:19 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48788 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235452AbhBBQJK (ORCPT ); Tue, 2 Feb 2021 11:09:10 -0500 Received: from mail-lj1-x235.google.com (mail-lj1-x235.google.com [IPv6:2a00:1450:4864:20::235]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B620AC06174A for ; Tue, 2 Feb 2021 08:08:27 -0800 (PST) Received: by mail-lj1-x235.google.com with SMTP id f19so24595798ljn.5 for ; Tue, 02 Feb 2021 08:08:27 -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=kuO/Thow0v23ZdpEC8T9BJH5Kpn4leJdQ3ikVw0xHntqFAVuXpSKUDkXid2u7OOzye 9Rh0sMS/FnXcotAQG65tg9bTZcTc3H6jTn3+zGV4ruLX8VzQ3JdvbWPBgSszHNdCm5LW SgYhb1SvbQAwdUVAMqFX9Q7aRhEhBNpZs7/1d2p+4IgHqbZdh5pE3gHsTf4PG62PNzJe xJCbtj0RD6SOhArsdIhFCQ0DCsd1doV5GefA9J79wAuMTEbf5FXnDWlmw1iq5US+6jes 43+894aG+RocxXtrftgAgAxy+yp1rNAeHkNSKLOksvon/avqtqpqDb8JA+yEckW2Sd5/ Jdrw== X-Gm-Message-State: AOAM532VikTAt9IyJpJpTaEtOE+oj4lQ6c22lv/BVXOZtoQW/EIjVR1x vU/yhw/S6iFA1mSwC/TzO7m4wq9JvXTfG4ki5RQT2g== 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" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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.