Received: by 2002:ad5:474a:0:0:0:0:0 with SMTP id i10csp779165imu; Tue, 20 Nov 2018 06:53:38 -0800 (PST) X-Google-Smtp-Source: AFSGD/UfQlQOKSXbVbw66LvCbEswmRV1tUwPQ2ZqcnV9LQjF91jK05/JqFmB0VGjEVubNehespUX X-Received: by 2002:a17:902:c01:: with SMTP id 1-v6mr2548151pls.15.1542725618826; Tue, 20 Nov 2018 06:53:38 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1542725618; cv=none; d=google.com; s=arc-20160816; b=FVrDRhyz2RYcLuGzFbVSsmxgdhKjBIhuhG0Ansv9PqeApQb0QVCYmw5z5PslfnBxlh z/Us53lf5iWj3uReG+71sp20+n123bzDpftkj9gzVTt3qEH8mEYP2OxCAx0xlR/In2DA JcIRFRYbFx5Xwmqccd3rgIcVw3KDqbI3TvVEoVFKrldK0HbqeOg+T3+yB0tLk/k9MtCJ kMckyUiuQm/Lv+pw+u0hqNUlfPwO/hBShwvwHZGfFKKFzxJhMOSK+fpO+kP8+KcJXZh1 w7fjVsQPZqPqzRYuhXsy2VHsNhkxMC4HPbvGufONMnT+KjgFMH0v5UE7c3jlI/LKJh6q 4HUQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=KthAO0s6RPrDGRsYiIIwgcXBToWpqP6ZkqZGQoyYVgc=; b=abmtvnomi8db3Ex5m1FpNABBtuXaWPHoVhmp9ySSVP17t5Xgv9PPTDzrURORVDCTM2 FiLjqX8kENT9z3rS/aBb4zFOoqQdmijqDONq2fpIoAkU2xYcbXOhylyEIIWfdNkiwERy aBfjTW8641MGs/TfYKX4HpMJhDqHyMT14L15nK2jcL9KBfsm33KwDd1fu0OaVjdCb7Hr fag7XMRCGsiSR9UMAa6xmG/Paia5Q91SGGMVBFtgOB0CvoW8lP1rqmsHKMSX0tVNmpMp KJcKAHxbKXT+p45Lwl3xxJUg+bMwlgif2UxmBRaOdlcBXEUBezaL3eznvyFwyn9kzoVP C1ww== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id i13si17072995pgg.100.2018.11.20.06.53.23; Tue, 20 Nov 2018 06:53:38 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729373AbeKTWKV (ORCPT + 99 others); Tue, 20 Nov 2018 17:10:21 -0500 Received: from mx2.suse.de ([195.135.220.15]:32918 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728997AbeKTWKV (ORCPT ); Tue, 20 Nov 2018 17:10:21 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 87855AE85; Tue, 20 Nov 2018 11:41:36 +0000 (UTC) Date: Tue, 20 Nov 2018 12:41:36 +0100 From: Michal Hocko To: Jan Kara Cc: linux-api@vger.kernel.org, Andrew Morton , Alexey Dobriyan , linux-mm@kvack.org, LKML , Dan Williams , David Rientjes Subject: Re: [RFC PATCH 1/3] mm, proc: be more verbose about unstable VMA flags in /proc//smaps Message-ID: <20181120114136.GE22247@dhcp22.suse.cz> References: <20181120103515.25280-1-mhocko@kernel.org> <20181120103515.25280-2-mhocko@kernel.org> <20181120105135.GF8842@quack2.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20181120105135.GF8842@quack2.suse.cz> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue 20-11-18 11:51:35, Jan Kara wrote: > Honestly, it just shows that no amount of documentation is going to stop > userspace from abusing API that's exposing too much if there's no better > alternative. Yeah, I agree. And we should never expose such a low level stuff in the first place. But, well, this ship has already sailed... > But this is a good clarification regardless. So feel free to > add: > > Acked-by: Jan Kara Thanks! -- Michal Hocko SUSE Labs