From: Dave Hansen <dave.hansen@linux.intel.com>
To: Michal Hocko <mhocko@kernel.org>, kemi <kemi.wang@intel.com>
Cc: "Luis R . Rodriguez" <mcgrof@kernel.org>,
Kees Cook <keescook@chromium.org>,
Andrew Morton <akpm@linux-foundation.org>,
Jonathan Corbet <corbet@lwn.net>,
Mel Gorman <mgorman@techsingularity.net>,
Johannes Weiner <hannes@cmpxchg.org>,
Christopher Lameter <cl@linux.com>,
Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
Vlastimil Babka <vbabka@suse.cz>, Tim Chen <tim.c.chen@intel.com>,
Andi Kleen <andi.kleen@intel.com>,
Jesper Dangaard Brouer <brouer@redhat.com>,
Ying Huang <ying.huang@intel.com>, Aaron Lu <aaron.lu@intel.com>,
Proc sysctl <linux-fsdevel@vger.kernel.org>,
Linux MM <linux-mm@kvack.org>,
Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v3] mm, sysctl: make NUMA stats configurable
Date: Tue, 10 Oct 2017 07:29:31 -0700 [thread overview]
Message-ID: <bb13e610-758e-0fdd-ee65-781b4920f1c6@linux.intel.com> (raw)
In-Reply-To: <20171010054902.sqp6yyid6qqhpsrt@dhcp22.suse.cz>
On 10/09/2017 10:49 PM, Michal Hocko wrote:
> On Mon 09-10-17 09:55:49, Michal Hocko wrote:
>> I haven't checked closely but what happens (or should happen) when you
>> do a partial read? Should you get an inconsistent results? Or is this
>> impossible?
> Well, after thinking about it little bit more, partial reads are always
> inconsistent so this wouldn't add a new problem.
>
> Anyway I still stand by my position that this sounds over-engineered and
> a simple 0/1 resp. on/off interface would be both simpler and safer. If
> anybody wants an auto mode it can be added later (as a value 2 resp.
> auto).
0/1 with the default set to the strict, slower mode?
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next prev parent reply other threads:[~2017-10-10 14:29 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-28 6:11 [PATCH v3] mm, sysctl: make NUMA stats configurable Kemi Wang
2017-09-28 21:29 ` Andrew Morton
2017-09-29 1:44 ` kemi
2017-09-29 7:09 ` Vlastimil Babka
2017-09-29 7:03 ` Vlastimil Babka
2017-10-09 2:20 ` kemi
2017-09-29 7:27 ` Vlastimil Babka
2017-10-03 9:23 ` Michal Hocko
2017-10-09 6:34 ` kemi
2017-10-09 7:55 ` Michal Hocko
2017-10-10 5:49 ` Michal Hocko
2017-10-10 5:54 ` kemi
2017-10-10 14:29 ` Dave Hansen [this message]
2017-10-10 14:31 ` Michal Hocko
2017-10-10 14:53 ` Dave Hansen
2017-10-10 14:57 ` Michal Hocko
2017-10-10 15:14 ` Christopher Lameter
2017-10-10 15:39 ` Dave Hansen
2017-10-10 17:51 ` Michal Hocko
2017-10-10 21:34 ` Andrew Morton
2017-10-11 6:16 ` Vlastimil Babka
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