linux-kernel - Re: [QUICKLIST 1/5] Quicklists for page table pages V4

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 for Android: free password hash cracker in your pocket

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

Message-Id: <20070322223927.bb4caf43.akpm@linux-foundation.org>
Date:	Thu, 22 Mar 2007 22:39:27 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Christoph Lameter <clameter@....com>
Cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [QUICKLIST 1/5] Quicklists for page table pages V4

On Thu, 22 Mar 2007 23:28:41 -0700 (PDT) Christoph Lameter <clameter@....com> wrote:

> 1. Proven code from the IA64 arch.
> 
> 	The method used here has been fine tuned for years and
> 	is NUMA aware. It is based on the knowledge that accesses
> 	to page table pages are sparse in nature. Taking a page
> 	off the freelists instead of allocating a zeroed pages
> 	allows a reduction of number of cachelines touched
> 	in addition to getting rid of the slab overhead. So
> 	performance improves.

By how much?
-
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/