linux-kernel - Re: [PATCH] slub: correctly bootstrap boot caches

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:	Fri, 22 Feb 2013 16:34:19 +0000
From:	Christoph Lameter <cl@...ux.com>
To:	Glauber Costa <glommer@...allels.com>
cc:	linux-mm@...ck.org, cgroups@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Tejun Heo <tj@...nel.org>, Pekka Enberg <penberg@...nel.org>,
	Kamezawa Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Joonsoo Kim <js1304@...il.com>
Subject: Re: [PATCH] slub: correctly bootstrap boot caches

On Fri, 22 Feb 2013, Glauber Costa wrote:

> On 02/22/2013 08:10 PM, Christoph Lameter wrote:
> > kmem_cache_node creation runs before PARTIAL and kmem_cache runs
> > after. So there would be 2 kmem_cache_node structures allocated. Ok so
> > that would use cpu slabs and therefore remove pages from the partial list.
> > Pushing that back using the flushing should fix this. But I thought there
> > was already code that went through the cpu slabs to address this?
>
> not in bootstrap(), which is quite primitive. (and should remain so)

Joonsoo Kim had a patch for this. I acked it a while back AFAICR


--
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/