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;
DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CCE4A20CAA
Date:   Tue, 3 Apr 2018 12:59:14 -0400
From:   Steven Rostedt <rostedt@goodmis.org>
To:     Michal Hocko <mhocko@kernel.org>
Cc:     Zhaoyang Huang <huangzhaoyang@gmail.com>,
        Ingo Molnar <mingo@kernel.org>, linux-kernel@vger.kernel.org,
        kernel-patch-test@lists.linaro.org,
        Andrew Morton <akpm@linux-foundation.org>,
        Joel Fernandes <joelaf@google.com>, linux-mm@kvack.org,
        Vlastimil Babka <vbabka@suse.cz>
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: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On Tue, 3 Apr 2018 18:11:19 +0200
Michal Hocko <mhocko@kernel.org> 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