From: Jeff Garzik <jgarzik@pobox.com>
To: ncunningham@linuxmail.org
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Marcelo Tosatti <marcelo.tosatti@cyclades.com>,
Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl>,
Douglas Gilbert <dougg@torque.net>, Jens Axboe <axboe@suse.de>,
William Lee Irwin III <wli@holomorphy.com>
Subject: Re: [PATCH 2.4] the perils of kunmap_atomic
Date: Thu, 28 Oct 2004 00:20:37 -0400 [thread overview]
Message-ID: <41807395.5010709@pobox.com> (raw)
In-Reply-To: <1098833780.7298.25.camel@desktop.cunninghams>
Nigel Cunningham wrote:
> DEBUG_HIGHMEM under 2.4). It would be good if any patch produced a
> warning if you call kunmap_atomic with the wrong kind of parameter.
Well, the compiler has a rather difficult time with that, since any
kernel address is going to be void*, which C will nicely cast struct
page* into.
Jeff
next prev parent reply other threads:[~2004-10-28 4:21 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-26 23:31 [PATCH 2.4] the perils of kunmap_atomic Jeff Garzik
2004-10-26 23:36 ` Nigel Cunningham
2004-10-28 4:20 ` Jeff Garzik [this message]
2004-10-26 23:42 ` Nigel Cunningham
2004-10-27 0:07 ` William Lee Irwin III
2004-10-27 16:19 ` Marcelo Tosatti
2004-10-28 4:18 ` Jeff Garzik
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