From: Christoph Lameter <cl@linux.com>
To: Pekka Enberg <penberg@kernel.org>
Cc: Eric Dumazet <eric.dumazet@gmail.com>,
Hugh Dickins <hughd@google.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH next/mmotm] slub: partly fix freeze in __slab_free
Date: Tue, 12 Jul 2011 10:11:52 -0500 (CDT) [thread overview]
Message-ID: <alpine.DEB.2.00.1107121010060.1672@router.home> (raw)
In-Reply-To: <4E1BE5F9.10401@kernel.org>
On Tue, 12 Jul 2011, Pekka Enberg wrote:
> > diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
> > index 3d76a43..1351d28 100644
> > --- a/include/linux/mm_types.h
> > +++ b/include/linux/mm_types.h
> > @@ -62,7 +62,7 @@ struct page {
> > struct { /* SLUB cmpxchg_double area */
> > void *freelist;
> > union {
> > - unsigned long counters;
> > + u64 counters;
> > struct {
> > unsigned inuse:16;
> > unsigned objects:15;
> >
>
> Christoph?
counters needs to overlay the bitfields as well as _count. That is problem
with the earlier fix.
Sorry I have had a power outage for the last two days (strange Chicago
weather) and my server is only up for a few minutes and will go down
periodically due to a UPS malfunction. On a generator. Sigh.
next prev parent reply other threads:[~2011-07-12 15:11 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-11 18:58 [PATCH next/mmotm] slub: partly fix freeze in __slab_free Hugh Dickins
2011-07-11 19:39 ` Eric Dumazet
2011-07-11 20:46 ` Hugh Dickins
2011-07-12 6:13 ` Pekka Enberg
2011-07-12 15:11 ` Christoph Lameter [this message]
2011-07-12 15:55 ` Christoph Lameter
2011-07-13 11:28 ` Hugh Dickins
2011-07-13 15:47 ` Christoph Lameter
2011-07-13 15:55 ` Christoph Lameter
2011-07-14 16:14 ` Hugh Dickins
2011-07-14 17:26 ` Christoph Lameter
2011-07-15 19:22 ` Hugh Dickins
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