From: Christoph Lameter <clameter@sgi.com>
To: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Akinobu Mita <akinobu.mita@gmail.com>,
linux-kernel@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH -mm] slub: fix cpu hotplug offline/online path
Date: Tue, 9 Oct 2007 11:50:19 -0700 (PDT) [thread overview]
Message-ID: <Pine.LNX.4.64.0710091149221.32730@schroedinger.engr.sgi.com> (raw)
In-Reply-To: <84144f020710091148s6267a69aud18348af77f941b0@mail.gmail.com>
On Tue, 9 Oct 2007, Pekka Enberg wrote:
> Hi Christoph,
>
> On 10/9/07, Christoph Lameter <clameter@sgi.com> wrote:
> > Could you check if a per cpu structure has already been allocated and then
> > simply skip the call to init? Otherwise we end up with lots of per cpu
> > structures for cpus that will never show up.
>
> Does it matter? How?
Our system come by default with the possibility of 1k cpus. However, a
small system may only have 8 cpus.
next prev parent reply other threads:[~2007-10-09 18:50 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-09 16:13 Akinobu Mita
2007-10-09 17:41 ` Pekka Enberg
2007-10-09 18:46 ` Christoph Lameter
2007-10-09 18:48 ` Pekka Enberg
2007-10-09 18:50 ` Christoph Lameter [this message]
2007-10-09 19:02 ` Pekka Enberg
2007-10-09 19:15 ` Christoph Lameter
2007-10-10 12:18 ` Akinobu Mita
2007-10-10 17:39 ` Christoph Lameter
2007-10-11 14:36 ` Akinobu Mita
2007-10-11 16:46 ` Christoph Lameter
2007-10-11 17:24 ` Akinobu Mita
2007-10-11 17:36 ` Christoph Lameter
2007-10-11 17:37 ` Christoph Lameter
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