linux-kernel - Re: [RFC PATCH 0/3] Fix SLQB on memoryless configurations V2

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]

Date:	Tue, 22 Sep 2009 11:24:16 +0100
From:	Mel Gorman <mel@....ul.ie>
To:	Pekka Enberg <penberg@...helsinki.fi>
Cc:	Christoph Lameter <cl@...ux-foundation.org>,
	Nick Piggin <npiggin@...e.de>, heiko.carstens@...ibm.com,
	sachinp@...ibm.com, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, Tejun Heo <tj@...nel.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Subject: Re: [RFC PATCH 0/3] Fix SLQB on memoryless configurations V2

On Tue, Sep 22, 2009 at 01:21:15PM +0300, Pekka Enberg wrote:
> Hi Mel,
> 
> On Tue, 2009-09-22 at 11:05 +0100, Mel Gorman wrote:
> > I'm going to punt the decision on this one to Pekka or Nick. My feeling
> > is leave it enabled for NUMA so it can be identified if it gets fixed
> > for some other reason - e.g. the stalls are due to a per-cpu problem as
> > stated by Sachin and SLQB happens to exasperate the problem.
> 
> Can I have a tested patch that uses MAX_NUMNODES to allocate the
> structs, please? We can convert SLQB over to per-cpu allocator if the
> memoryless node issue is resolved.
> 

Patch set in the process of testing. Should have something in a few
hours.

-- 
Mel Gorman
Part-time Phd Student                          Linux Technology Center
University of Limerick                         IBM Dublin Software Lab
--
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/