linux-kernel - Re: [PATCH] do not free non slab allocated per_cpu

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.4.64N.0609221209130.8288@attu2.cs.washington.edu>
Date:	Fri, 22 Sep 2006 12:10:10 -0700 (PDT)
From:	David Rientjes <rientjes@...washington.edu>
To:	Christoph Lameter <clameter@....com>
cc:	Andrew Morton <akpm@...l.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	kmannth@...ibm.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] do not free non slab allocated per_cpu_pageset

On Fri, 22 Sep 2006, Christoph Lameter wrote:

> The pcps must be usable during process_zones() for NUMA bootstrap. 
> As far as I recall: A cpu is booted with the static arrays and later 
> process_zones is replacing the references to the static arrays.
> 

Yes, they are replaced as soon as the slab allocator is up.  So all we 
need is to prevent static pcp's from being free'd since they haven't yet 
matured to being slab.

		David
-
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/