From: Jens Axboe <jens.axboe@oracle.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: Tejun Heo <htejun@gmail.com>,
Arjan van de Ven <arjan@infradead.org>,
Hugh Dickins <hugh@veritas.com>,
linux-kernel@vger.kernel.org, akpm@linux-foundation.org
Subject: Re: [PATCH] Fix kunmap() argument in sg_miter_stop
Date: Mon, 17 Nov 2008 09:30:23 +0100 [thread overview]
Message-ID: <20081117083022.GE26778@kernel.dk> (raw)
In-Reply-To: <20081117082201.GB24603@elte.hu>
On Mon, Nov 17 2008, Ingo Molnar wrote:
>
> * Jens Axboe <jens.axboe@oracle.com> wrote:
>
> > +#define kunmap(p) \
> > + do { \
> > + struct page *__p; \
> > + (void) (&__p == &(p)); \
> > + __kunmap(p); \
> > + } while (0)
> > +
> > +#define kunmap_atomic(a, t) \
> > + do { \
> > + void *__p; \
> > + (void) (&__p == &(a)); \
> > + __kunmap_atomic(a, t); \
> > + } while (0)
>
> Agreed - but please use the typecheck() primitive. (linux/typecheck.h)
Neat, didn't know about that, thanks.
--
Jens Axboe
next prev parent reply other threads:[~2008-11-17 8:32 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-15 19:27 [PATCH] Fix kunmap() argument in sg_miter_stop Arjan van de Ven
2008-11-15 20:15 ` Hugh Dickins
2008-11-15 20:27 ` Arjan van de Ven
2008-11-15 20:39 ` Arjan van de Ven
2008-11-16 5:16 ` Tejun Heo
2008-11-17 8:11 ` Jens Axboe
2008-11-17 8:22 ` Ingo Molnar
2008-11-17 8:30 ` Jens Axboe [this message]
2008-11-17 8:50 ` Ingo Molnar
2008-11-17 8:58 ` Jens Axboe
2008-11-17 9:34 ` Jens Axboe
2008-11-17 9:41 ` Ingo Molnar
2008-11-17 9:45 ` Jens Axboe
2008-11-17 11:13 ` Jens Axboe
2008-11-17 17:08 ` Jeremy Fitzhardinge
2008-11-17 17:10 ` Ingo Molnar
2008-11-17 17:15 ` Jeremy Fitzhardinge
2008-11-17 17:25 ` Linus Torvalds
2008-11-17 17:35 ` Jeremy Fitzhardinge
2008-11-17 18:14 ` [PATCH] xen: fix scrub_page() Ingo Molnar
2008-11-17 18:07 ` [PATCH] Fix kunmap() argument in sg_miter_stop Jens Axboe
2008-11-17 18:16 ` Linus Torvalds
2008-11-17 18:26 ` Jens Axboe
2008-11-18 8:27 ` Ingo Molnar
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