linux-kernel - Re: [RFC 0/6] the big khugepaged redesign

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: <54EBB0AD.8080902@oracle.com>
Date:	Mon, 23 Feb 2015 17:58:53 -0500
From:	Sasha Levin <sasha.levin@...cle.com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Davidlohr Bueso <dave@...olabs.net>
CC:	Vlastimil Babka <vbabka@...e.cz>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, Hugh Dickins <hughd@...gle.com>,
	Andrea Arcangeli <aarcange@...hat.com>,
	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
	Rik van Riel <riel@...hat.com>, Mel Gorman <mgorman@...e.de>,
	Michal Hocko <mhocko@...e.cz>,
	Ebru Akagunduz <ebru.akagunduz@...il.com>,
	Alex Thorlton <athorlton@....com>,
	David Rientjes <rientjes@...gle.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...nel.org>
Subject: Re: [RFC 0/6] the big khugepaged redesign

On 02/23/2015 05:56 PM, Andrew Morton wrote:
>>> Now I don't have any hard data to show how big these problems are, and I
>>> > > expect we will discuss this on LSF/MM (and hope somebody has such data [3]).
>>> > > But it's certain that e.g. SAP recommends to disable THPs [4] for their apps
>>> > > for performance reasons.
>> > 
>> > There are plenty of examples of this, ie for Oracle:
>> > 
>> > https://blogs.oracle.com/linux/entry/performance_issues_with_transparent_huge
> hm, five months ago and I don't recall seeing any followup to this. 
> Does anyone know what's happening?

I'll dig it up.
--
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/