From: Christoph Hellwig <hch@infradead.org>
To: Johannes Weiner <hannes@cmpxchg.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Magnus Damm <magnus.damm@gmail.com>,
linux-media@vger.kernel.org, Hans Verkuil <hverkuil@xs4all.nl>,
Paul Mundt <lethal@linux-sh.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [patch 3/3] mm: introduce follow_pfn()
Date: Mon, 4 May 2009 07:08:41 -0400 [thread overview]
Message-ID: <20090504110841.GA19646@infradead.org> (raw)
In-Reply-To: <1241430874-12667-3-git-send-email-hannes@cmpxchg.org>
On Mon, May 04, 2009 at 11:54:34AM +0200, Johannes Weiner wrote:
> Analoguous to follow_phys(), add a helper that looks up the PFN
> instead. It also only allows IO mappings or PFN mappings.
A kerneldoc describing what it does and the limitations would be
extremly helpful.
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@infradead.org>
To: Johannes Weiner <hannes@cmpxchg.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Magnus Damm <magnus.damm@gmail.com>,
linux-media@vger.kernel.org, Hans Verkuil <hverkuil@xs4all.nl>,
Paul Mundt <lethal@linux-sh.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [patch 3/3] mm: introduce follow_pfn()
Date: Mon, 4 May 2009 07:08:41 -0400 [thread overview]
Message-ID: <20090504110841.GA19646@infradead.org> (raw)
In-Reply-To: <1241430874-12667-3-git-send-email-hannes@cmpxchg.org>
On Mon, May 04, 2009 at 11:54:34AM +0200, Johannes Weiner wrote:
> Analoguous to follow_phys(), add a helper that looks up the PFN
> instead. It also only allows IO mappings or PFN mappings.
A kerneldoc describing what it does and the limitations would be
extremly helpful.
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2009-05-04 11:08 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-28 9:01 [PATCH] videobuf-dma-contig: zero copy USERPTR support V2 Magnus Damm
2009-04-28 9:01 ` Magnus Damm
2009-05-01 3:26 ` Magnus Damm
2009-05-01 3:26 ` Magnus Damm
2009-05-01 18:14 ` Johannes Weiner
2009-05-01 18:14 ` Johannes Weiner
2009-05-04 9:54 ` [patch 1/3] mm: introduce follow_pte() Johannes Weiner
2009-05-04 9:54 ` Johannes Weiner
2009-05-05 19:24 ` Andrew Morton
2009-05-05 19:24 ` Andrew Morton
2009-05-05 20:38 ` Johannes Weiner
2009-05-05 20:38 ` Johannes Weiner
2009-05-05 21:05 ` Andrew Morton
2009-05-05 21:05 ` Andrew Morton
2009-05-05 21:21 ` Johannes Weiner
2009-05-05 21:21 ` Johannes Weiner
2009-05-08 8:51 ` Magnus Damm
2009-05-08 8:51 ` Magnus Damm
2009-05-04 9:54 ` [patch 2/3] mm: use generic follow_pte() in follow_phys() Johannes Weiner
2009-05-04 9:54 ` Johannes Weiner
2009-05-04 10:08 ` Johannes Weiner
2009-05-04 10:08 ` Johannes Weiner
2009-05-04 9:54 ` [patch 3/3] mm: introduce follow_pfn() Johannes Weiner
2009-05-04 9:54 ` Johannes Weiner
2009-05-04 11:08 ` Christoph Hellwig [this message]
2009-05-04 11:08 ` Christoph Hellwig
2009-05-04 13:13 ` [patch 3/3 v2] " Johannes Weiner
2009-05-04 13:13 ` Johannes Weiner
2009-05-04 14:31 ` Christoph Hellwig
2009-05-04 14:31 ` Christoph Hellwig
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20090504110841.GA19646@infradead.org \
--to=hch@infradead.org \
--cc=akpm@linux-foundation.org \
--cc=hannes@cmpxchg.org \
--cc=hverkuil@xs4all.nl \
--cc=lethal@linux-sh.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-media@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=magnus.damm@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.