From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pl0-f69.google.com (mail-pl0-f69.google.com [209.85.160.69]) by kanga.kvack.org (Postfix) with ESMTP id 3D0636B0005 for ; Tue, 3 Apr 2018 12:59:20 -0400 (EDT) Received: by mail-pl0-f69.google.com with SMTP id 1-v6so10532401plv.6 for ; Tue, 03 Apr 2018 09:59:20 -0700 (PDT) Received: from mail.kernel.org (mail.kernel.org. [198.145.29.99]) by mx.google.com with ESMTPS id a9si2217599pgu.454.2018.04.03.09.59.18 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 03 Apr 2018 09:59:18 -0700 (PDT) Date: Tue, 3 Apr 2018 12:59:14 -0400 From: Steven Rostedt Subject: Re: [PATCH v1] kernel/trace:check the val against the available mem Message-ID: <20180403125914.66f8abbb@gandalf.local.home> In-Reply-To: <20180403161119.GE5501@dhcp22.suse.cz> References: <1522320104-6573-1-git-send-email-zhaoyang.huang@spreadtrum.com> <20180330102038.2378925b@gandalf.local.home> <20180403110612.GM5501@dhcp22.suse.cz> <20180403075158.0c0a2795@gandalf.local.home> <20180403121614.GV5501@dhcp22.suse.cz> <20180403082348.28cd3c1c@gandalf.local.home> <20180403123514.GX5501@dhcp22.suse.cz> <20180403093245.43e7e77c@gandalf.local.home> <20180403135607.GC5501@dhcp22.suse.cz> <20180403101753.3391a639@gandalf.local.home> <20180403161119.GE5501@dhcp22.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Michal Hocko Cc: Zhaoyang Huang , Ingo Molnar , linux-kernel@vger.kernel.org, kernel-patch-test@lists.linaro.org, Andrew Morton , Joel Fernandes , linux-mm@kvack.org, Vlastimil Babka On Tue, 3 Apr 2018 18:11:19 +0200 Michal Hocko wrote: > yes a fallback is questionable. Whether to make the batch size > configuration is a matter of how much internal details you want to > expose to userspace. Well, it is tracing the guts of the kernel, so internal details are generally exposed to userspace ;-) -- Steve