From: Andrew Morton <akpm@osdl.org>
To: Jeff Garzik <jgarzik@pobox.com>
Cc: mbligh@aracnet.com, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, bzolnier@gmail.com, rddunlap@osdl.org,
wli@holomorphy.com, axboe@suse.de
Subject: Re: [PATCH] Re: news about IDE PIO HIGHMEM bug (was: Re: 2.6.9-mm1)
Date: Wed, 27 Oct 2004 14:29:14 -0700 [thread overview]
Message-ID: <20041027142914.197c72ed.akpm@osdl.org> (raw)
In-Reply-To: <417FCE4E.4080605@pobox.com>
Jeff Garzik <jgarzik@pobox.com> wrote:
>
> > However, pfn_to_page(page_to_pfn(page) + 1) might be safer. If rather slower.
>
>
> Is this patch acceptable to everyone? Andrew?
spose so. The scatterlist API is being a bit silly there.
It might be worthwhile doing:
#ifdef CONFIG_DISCONTIGMEM
#define nth_page(page,n) pfn_to_page(page_to_pfn((page)) + n)
#else
#define nth_page(page,n) ((page)+(n))
#endif
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next prev parent reply other threads:[~2004-10-27 21:29 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <58cb370e041027074676750027@mail.gmail.com>
2004-10-27 15:14 ` Jeff Garzik
2004-10-27 15:52 ` Martin J. Bligh
2004-10-27 15:59 ` Jeff Garzik
2004-10-27 17:36 ` Martin J. Bligh
2004-10-27 16:01 ` Martin J. Bligh
2004-10-27 16:35 ` [PATCH] " Jeff Garzik
2004-10-27 21:29 ` Andrew Morton [this message]
2004-10-27 21:31 ` Jeff Garzik
2004-10-27 21:34 ` William Lee Irwin III
2004-10-27 18:08 ` Christoph Hellwig
2004-10-27 18:33 ` news about IDE PIO HIGHMEM bug Jeff Garzik
2004-10-27 18:48 ` William Lee Irwin III
2004-10-28 0:18 ` William Lee Irwin III
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