linux-kernel - Re: [RFC] [PATCH] more support for memory-less-node.

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: <Pine.LNX.4.64.0702130923540.23752@schroedinger.engr.sgi.com>
Date:	Tue, 13 Feb 2007 09:24:25 -0800 (PST)
From:	Christoph Lameter <clameter@....com>
To:	Andi Kleen <andi@...stfloor.org>
cc:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...l.org>, bob.picco@...com
Subject: Re: [RFC] [PATCH] more support for memory-less-node.

On Tue, 13 Feb 2007, Andi Kleen wrote:

> The trouble with this is that you'll need to harden large parts
> of code against these.  Especially a NULL pgdat is something quite
> dangerous. You could make it a dummy empty pgdat, but just assigning it
> nearby seems easier.

Plus there is the issue of having a pgdat but without any valid zone in 
it. This is what triggered Kame-sans recent bug.

-
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/