linux-kernel - Re: SLUB: Increasing partial pages

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:	Wed, 16 Jan 2008 14:01:08 -0800 (PST)
From:	Christoph Lameter <clameter@....com>
To:	Matthew Wilcox <matthew@....cx>
cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: SLUB: Increasing partial pages

On Wed, 16 Jan 2008, Matthew Wilcox wrote:

> I sent you a mail on December 6th ... here are the contents of that
> mail:

Dec 6th? I was on vacation then and it seems that I was unable to 
reproduce the oopses. Can I get some backtraces or other information 
that would allow me to diagnose the problem?

> Applying just patches 1-7 and 9 leads to a slight (0.34%) performance
> reduction compared to slub.  That is 6.45% versus slab, reduces to 6.79%
> with the 8 patches applied.

Patch 8 is the one that optimizes the fastpath. How much runtime 
variability have these tests?
--
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/