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From: "Pekka Enberg" <penberg@cs.helsinki.fi>
To: Yasunori Goto <y-goto@jp.fujitsu.com>
Cc: Olof Johansson <olof@lixom.net>, Andrew Morton <akpm@osdl.org>,
	Christoph Lameter <clameter@sgi.com>,
	Linux Kernel ML <linux-kernel@vger.kernel.org>,
	linux-mm <linux-mm@kvack.org>
Subject: Re: [PATCH] Fix warning in mm/slub.c
Date: Tue, 23 Oct 2007 10:52:28 +0300	[thread overview]
Message-ID: <84144f020710230052t3dc7e402ka2d8ede6db81618a@mail.gmail.com> (raw)
In-Reply-To: <20071023143212.8D2E.Y-GOTO@jp.fujitsu.com>

Hi,

On 10/23/07, Yasunori Goto <y-goto@jp.fujitsu.com> wrote:
> > "Make kmem_cache_node for SLUB on memory online to avoid panic" introduced
> > the following:
> >
> > mm/slub.c:2737: warning: passing argument 1 of 'atomic_read' from
> > incompatible pointer type
> >
> >
> > Signed-off-by: Olof Johansson <olof@lixom.net>
> >
> >
> > diff --git a/mm/slub.c b/mm/slub.c
> > index aac1dd3..bcdb2c8 100644
> > --- a/mm/slub.c
> > +++ b/mm/slub.c
> > @@ -2734,7 +2734,7 @@ static void slab_mem_offline_callback(void *arg)
> >                        * and offline_pages() function shoudn't call this
> >                        * callback. So, we must fail.
> >                        */
> > -                     BUG_ON(atomic_read(&n->nr_slabs));
> > +                     BUG_ON(atomic_long_read(&n->nr_slabs));
> >
> >                       s->node[offline_node] = NULL;
> >                       kmem_cache_free(kmalloc_caches, n);
>
>
> Oops, yes. Thanks.
>
> Acked-by: Yasunori Goto <y-goto@jp.fujitsu.com>

Reviewed-by: Pekka Enberg <penberg@cs.helsinki.fi>

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  reply	other threads:[~2007-10-23  7:52 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-10-18  3:25 [Patch](memory hotplug) Make kmem_cache_node for SLUB on memory online to avoid panic(take 3) Yasunori Goto
2007-10-18  3:46 ` Andrew Morton
2007-10-18  6:25   ` Christoph Lameter
2007-10-18  7:00     ` Andrew Morton
2007-10-18  8:33       ` Yasunori Goto
2007-10-18  9:13       ` Christoph Lameter
2007-10-18  9:20   ` Yasunori Goto
2007-10-23  4:21 ` [PATCH] Fix warning in mm/slub.c Olof Johansson
2007-10-23  5:35   ` Yasunori Goto
2007-10-23  7:52     ` Pekka Enberg [this message]
2007-10-23 16:21   ` Christoph Lameter

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