linux-kernel - Re: [PATCH 00/27] Latest numa/core release, v16

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <50AAD1AC.7090209@redhat.com>
Date:	Mon, 19 Nov 2012 19:41:16 -0500
From:	Rik van Riel <riel@...hat.com>
To:	Mel Gorman <mgorman@...e.de>
CC:	Ingo Molnar <mingo@...nel.org>, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Turner <pjt@...gle.com>,
	Lee Schermerhorn <Lee.Schermerhorn@...com>,
	Christoph Lameter <cl@...ux.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Johannes Weiner <hannes@...xchg.org>,
	Hugh Dickins <hughd@...gle.com>
Subject: Re: [PATCH 00/27] Latest numa/core release, v16

On 11/19/2012 06:00 PM, Mel Gorman wrote:
> On Mon, Nov 19, 2012 at 11:36:04PM +0100, Ingo Molnar wrote:
>>
>> * Mel Gorman <mgorman@...e.de> wrote:
>>
>>> Ok.
>>>
>>> In response to one of your later questions, I found that I had
>>> in fact disabled THP without properly reporting it. [...]
>>
>> Hugepages is a must for most forms of NUMA/HPC.
>
> Requiring huge pages to avoid a regression is a mistake.

Not all architectures support THP.  Not all workloads will end up
using THP effectively.

Mel, would you have numa/core profiles from !THP runs, so we can
find out the cause of the regression?

-- 
All rights reversed
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/