linux-kernel - Re: [patch 00/26] Current slab allocator / SLUB patch queue

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Date:	Mon, 18 Jun 2007 21:09:04 +0200
From:	"Michal Piotrowski" <michal.k.k.piotrowski@...il.com>
To:	"Christoph Lameter" <clameter@....com>
Cc:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, "Pekka Enberg" <penberg@...helsinki.fi>,
	suresh.b.siddha@...el.com
Subject: Re: [patch 00/26] Current slab allocator / SLUB patch queue

On 18/06/07, Christoph Lameter <clameter@....com> wrote:
> On Mon, 18 Jun 2007, Michal Piotrowski wrote:
>
> > Still the same.
>
> Is it still exactly the same strack trace?

Not exactly the same
[<c0480d4b>] list_locations+0x257/0x2ad
is the only difference

 l *list_locations+0x257
0xc1080d4b is in list_locations (mm/slub.c:3655).
3650                                    l->min_pid);
3651
3652                    if (num_online_cpus() > 1 && !cpus_empty(l->cpus) &&
3653                                    n < PAGE_SIZE - n - 60) {
3654                            n += sprintf(buf + n, " cpus=");
3655                            n += cpulist_scnprintf(buf + n,
PAGE_SIZE - n - 50,
3656                                            l->cpus);
3657                    }
3658
3659                    if (num_online_nodes() > 1 && !nodes_empty(l->nodes) &&


> There could be multiple issue
> if we overflow PAGE_SIZE there.

Regards,
Michal

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