linux-kernel - Re: [RFC] i386: Remove page sized slabs for pgds and pmds

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] [day] [month] [year] [list]

Date:	Wed, 28 Mar 2007 21:17:51 -0400
From:	Benjamin LaHaise <bcrl@...ck.org>
To:	Christoph Lameter <clameter@....com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org,
	William Lee Irwin III <wli@...omorphy.com>
Subject: Re: [RFC] i386: Remove page sized slabs for pgds and pmds

On Wed, Mar 28, 2007 at 02:05:54PM -0700, Christoph Lameter wrote:
> Tried this also on x86_64 with an enhanced quicklist patch that also deals 
> with ptes (at the price of not guaranteeing the free after the tlb flush):
...
> Seems that there is a slight benefit but its also barely above noise 
> level.

You're not running a test that will show any benefit in this area.  Run 
some heavy shell scripts or lmbench's fork() and exec() latency tests 
to get real numbers.

		-ben
-- 
"Time is of no importance, Mr. President, only life is important."
Don't Email: <zyntrop@...ck.org>.
-
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/