linux-kernel - Re: [PATCH] change global zonelist order on NUMA 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]

Message-Id: <200704261751.37656.ak@suse.de>
Date:	Thu, 26 Apr 2007 17:51:37 +0200
From:	Andi Kleen <ak@...e.de>
To:	Christoph Lameter <clameter@....com>
Cc:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Linux-MM <linux-mm@...ck.org>, AKPM <akpm@...ux-foundation.org>
Subject: Re: [PATCH] change global zonelist order on NUMA v2

On Thursday 26 April 2007 17:46:35 Christoph Lameter wrote:

> 
> It is not a good idea if node 0 has both DMA and NORMAL memory and normal 
> memory is a small fraction of node memory. In that case lots of 
> allocations get redirected to node 1.

Good point yes. On x86-64 you might even have ZONE_DMA on node 0/1 and NORMAL
only on 3. I guess this needs to be detected somehow.

-Andi


-
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/