From: clemens@ladisch.de (Clemens Ladisch)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH/RFCv4 0/6] The Contiguous Memory Allocator framework
Date: Mon, 30 Aug 2010 10:27:50 +0200 [thread overview]
Message-ID: <4C7B6B86.3080502@ladisch.de> (raw)
In-Reply-To: <20100825155814.25c783c7.akpm@linux-foundation.org>
Andrew Morton wrote:
> It would help (a lot) if we could get more attention and buyin and
> fedback from the potential clients of this code. rmk's feedback is
> valuable. Have we heard from the linux-media people? What other
> subsystems might use it? ieee1394 perhaps?
All FireWire controllers are OHCI and use scatter-gather lists.
Most USB controllers require continuous memory for USB packets; the USB
framework has its own DMA buffer cache.
Some sound cards have no IOMMU; the ALSA framework preallocates buffers
for those.
Regards,
Clemens
WARNING: multiple messages have this Message-ID (diff)
From: Clemens Ladisch <clemens@ladisch.de>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>,
Michal Nazarewicz <m.nazarewicz@samsung.com>,
linux-mm@kvack.org, Daniel Walker <dwalker@codeaurora.org>,
FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>,
Hans Verkuil <hverkuil@xs4all.nl>,
Jonathan Corbet <corbet@lwn.net>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
Kyungmin Park <kyungmin.park@samsung.com>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Mark Brown <broonie@opensource.wolfsonmicro.com>,
Pawel Osciak <p.osciak@samsung.com>,
Russell King <linux@arm.linux.org.uk>,
Zach Pfeffer <zpfeffer@codeaurora.org>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-media@vger.kernel.org,
Mel Gorman <mel@csn.ul.ie>
Subject: Re: [PATCH/RFCv4 0/6] The Contiguous Memory Allocator framework
Date: Mon, 30 Aug 2010 10:27:50 +0200 [thread overview]
Message-ID: <4C7B6B86.3080502@ladisch.de> (raw)
In-Reply-To: <20100825155814.25c783c7.akpm@linux-foundation.org>
Andrew Morton wrote:
> It would help (a lot) if we could get more attention and buyin and
> fedback from the potential clients of this code. rmk's feedback is
> valuable. Have we heard from the linux-media people? What other
> subsystems might use it? ieee1394 perhaps?
All FireWire controllers are OHCI and use scatter-gather lists.
Most USB controllers require continuous memory for USB packets; the USB
framework has its own DMA buffer cache.
Some sound cards have no IOMMU; the ALSA framework preallocates buffers
for those.
Regards,
Clemens
WARNING: multiple messages have this Message-ID (diff)
From: Clemens Ladisch <clemens@ladisch.de>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>,
Michal Nazarewicz <m.nazarewicz@samsung.com>,
linux-mm@kvack.org, Daniel Walker <dwalker@codeaurora.org>,
FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>,
Hans Verkuil <hverkuil@xs4all.nl>,
Jonathan Corbet <corbet@lwn.net>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
Kyungmin Park <kyungmin.park@samsung.com>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Mark Brown <broonie@opensource.wolfsonmicro.com>,
Pawel Osciak <p.osciak@samsung.com>,
Russell King <linux@arm.linux.org.uk>,
Zach Pfeffer <zpfeffer@codeaurora.org>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-media@vger.kernel.org,
Mel Gorman <mel@csn.ul.ie>
Subject: Re: [PATCH/RFCv4 0/6] The Contiguous Memory Allocator framework
Date: Mon, 30 Aug 2010 10:27:50 +0200 [thread overview]
Message-ID: <4C7B6B86.3080502@ladisch.de> (raw)
In-Reply-To: <20100825155814.25c783c7.akpm@linux-foundation.org>
Andrew Morton wrote:
> It would help (a lot) if we could get more attention and buyin and
> fedback from the potential clients of this code. rmk's feedback is
> valuable. Have we heard from the linux-media people? What other
> subsystems might use it? ieee1394 perhaps?
All FireWire controllers are OHCI and use scatter-gather lists.
Most USB controllers require continuous memory for USB packets; the USB
framework has its own DMA buffer cache.
Some sound cards have no IOMMU; the ALSA framework preallocates buffers
for those.
Regards,
Clemens
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next prev parent reply other threads:[~2010-08-30 8:27 UTC|newest]
Thread overview: 180+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-20 9:50 [PATCH/RFCv4 0/6] The Contiguous Memory Allocator framework Michal Nazarewicz
2010-08-20 9:50 ` Michal Nazarewicz
2010-08-20 9:50 ` Michal Nazarewicz
2010-08-20 9:50 ` [PATCH/RFCv4 1/6] lib: rbtree: rb_root_init() function added Michal Nazarewicz
2010-08-20 9:50 ` Michal Nazarewicz
2010-08-20 9:50 ` Michal Nazarewicz
2010-08-20 9:50 ` [PATCH/RFCv4 2/6] mm: cma: Contiguous Memory Allocator added Michal Nazarewicz
2010-08-20 9:50 ` Michal Nazarewicz
2010-08-20 9:50 ` Michal Nazarewicz
2010-08-20 9:50 ` [PATCH/RFCv4 3/6] mm: cma: Added SysFS support Michal Nazarewicz
2010-08-20 9:50 ` Michal Nazarewicz
2010-08-20 9:50 ` Michal Nazarewicz
2010-08-20 9:50 ` [PATCH/RFCv4 4/6] mm: cma: Added command line parameters support Michal Nazarewicz
2010-08-20 9:50 ` Michal Nazarewicz
2010-08-20 9:50 ` Michal Nazarewicz
2010-08-20 9:50 ` [PATCH/RFCv4 5/6] mm: cma: Test device and application added Michal Nazarewicz
2010-08-20 9:50 ` Michal Nazarewicz
2010-08-20 9:50 ` Michal Nazarewicz
2010-08-20 9:50 ` [PATCH/RFCv4 6/6] arm: Added CMA to Aquila and Goni Michal Nazarewicz
2010-08-20 9:50 ` Michal Nazarewicz
2010-08-20 9:50 ` Michal Nazarewicz
2010-08-25 20:37 ` [PATCH/RFCv4 3/6] mm: cma: Added SysFS support Konrad Rzeszutek Wilk
2010-08-25 20:37 ` Konrad Rzeszutek Wilk
2010-08-25 20:37 ` Konrad Rzeszutek Wilk
2010-08-26 1:20 ` Michał Nazarewicz
2010-08-26 1:20 ` Michał Nazarewicz
2010-08-26 1:20 ` Michał Nazarewicz
2010-08-25 20:32 ` [PATCH/RFCv4 2/6] mm: cma: Contiguous Memory Allocator added Konrad Rzeszutek Wilk
2010-08-25 20:32 ` Konrad Rzeszutek Wilk
2010-08-25 20:32 ` Konrad Rzeszutek Wilk
2010-08-26 1:22 ` Michał Nazarewicz
2010-08-26 1:22 ` Michał Nazarewicz
2010-08-26 1:22 ` Michał Nazarewicz
2010-08-26 6:25 ` [PATCH/RFCv4.1 " Michal Nazarewicz
2010-08-26 6:25 ` Michal Nazarewicz
2010-08-26 6:25 ` Michal Nazarewicz
2010-08-26 13:47 ` [PATCH/RFCv4 " Mel Gorman
2010-08-26 13:47 ` Mel Gorman
2010-08-26 13:47 ` Mel Gorman
2010-08-27 2:09 ` Michał Nazarewicz
2010-08-27 2:09 ` Michał Nazarewicz
2010-08-27 2:09 ` Michał Nazarewicz
2010-08-28 12:37 ` Hans Verkuil
2010-08-28 12:37 ` Hans Verkuil
2010-08-28 12:37 ` Hans Verkuil
2010-08-29 1:48 ` Michał Nazarewicz
2010-08-29 1:48 ` Michał Nazarewicz
2010-08-29 1:48 ` Michał Nazarewicz
2010-08-20 13:15 ` [PATCH/RFCv4 0/6] The Contiguous Memory Allocator framework Peter Zijlstra
2010-08-20 13:15 ` Peter Zijlstra
2010-08-20 13:15 ` Peter Zijlstra
2010-08-25 22:58 ` Andrew Morton
2010-08-25 22:58 ` Andrew Morton
2010-08-25 22:58 ` Andrew Morton
2010-08-25 23:26 ` Daniel Walker
2010-08-25 23:26 ` Daniel Walker
2010-08-25 23:26 ` Daniel Walker
2010-08-26 1:38 ` Michał Nazarewicz
2010-08-26 1:38 ` Michał Nazarewicz
2010-08-26 1:38 ` Michał Nazarewicz
2010-08-25 23:31 ` Jonathan Corbet
2010-08-25 23:31 ` Jonathan Corbet
2010-08-25 23:31 ` Jonathan Corbet
2010-08-26 1:38 ` Pawel Osciak
2010-08-26 1:38 ` Pawel Osciak
2010-08-26 1:38 ` Pawel Osciak
2010-08-26 1:49 ` Michał Nazarewicz
2010-08-26 1:49 ` Michał Nazarewicz
2010-08-26 1:49 ` Michał Nazarewicz
2010-08-26 2:49 ` Minchan Kim
2010-08-26 2:49 ` Minchan Kim
2010-08-26 2:49 ` Minchan Kim
2010-08-26 3:04 ` Minchan Kim
2010-08-26 3:04 ` Minchan Kim
2010-08-26 3:04 ` Minchan Kim
2010-08-26 8:20 ` Peter Zijlstra
2010-08-26 8:20 ` Peter Zijlstra
2010-08-26 8:20 ` Peter Zijlstra
2010-08-26 9:29 ` Minchan Kim
2010-08-26 9:29 ` Minchan Kim
2010-08-26 9:29 ` Minchan Kim
2010-08-26 10:06 ` Peter Zijlstra
2010-08-26 10:06 ` Peter Zijlstra
2010-08-26 10:06 ` Peter Zijlstra
2010-08-26 10:21 ` Minchan Kim
2010-08-26 10:21 ` Minchan Kim
2010-08-26 10:21 ` Minchan Kim
2010-08-26 11:05 ` Peter Zijlstra
2010-08-26 11:05 ` Peter Zijlstra
2010-08-26 11:05 ` Peter Zijlstra
2010-08-26 0:58 ` KAMEZAWA Hiroyuki
2010-08-26 0:58 ` KAMEZAWA Hiroyuki
2010-08-26 0:58 ` KAMEZAWA Hiroyuki
2010-08-26 2:12 ` Michał Nazarewicz
2010-08-26 2:12 ` Michał Nazarewicz
2010-08-26 2:12 ` Michał Nazarewicz
2010-08-26 2:50 ` KAMEZAWA Hiroyuki
2010-08-26 2:50 ` KAMEZAWA Hiroyuki
2010-08-26 2:50 ` KAMEZAWA Hiroyuki
2010-08-26 3:44 ` KAMEZAWA Hiroyuki
2010-08-26 3:44 ` KAMEZAWA Hiroyuki
2010-08-26 3:44 ` KAMEZAWA Hiroyuki
2010-08-26 4:01 ` Michał Nazarewicz
2010-08-26 4:01 ` Michał Nazarewicz
2010-08-26 4:01 ` Michał Nazarewicz
2010-08-26 4:39 ` KAMEZAWA Hiroyuki
2010-08-26 4:39 ` KAMEZAWA Hiroyuki
2010-08-26 4:39 ` KAMEZAWA Hiroyuki
2010-08-26 5:54 ` Américo Wang
2010-08-26 5:54 ` Américo Wang
2010-08-26 5:54 ` Américo Wang
2010-08-26 4:06 ` Minchan Kim
2010-08-26 4:06 ` Minchan Kim
2010-08-26 4:06 ` Minchan Kim
2010-08-26 4:14 ` Minchan Kim
2010-08-26 4:14 ` Minchan Kim
2010-08-26 4:14 ` Minchan Kim
2010-08-26 4:30 ` KAMEZAWA Hiroyuki
2010-08-26 4:30 ` KAMEZAWA Hiroyuki
2010-08-26 4:30 ` KAMEZAWA Hiroyuki
2010-08-26 9:36 ` Minchan Kim
2010-08-26 9:36 ` Minchan Kim
2010-08-26 9:36 ` Minchan Kim
2010-08-27 8:16 ` KAMEZAWA Hiroyuki
2010-08-27 8:16 ` KAMEZAWA Hiroyuki
2010-08-27 8:16 ` KAMEZAWA Hiroyuki
2010-08-27 8:37 ` Peter Zijlstra
2010-08-27 8:37 ` Peter Zijlstra
2010-08-27 8:37 ` Peter Zijlstra
2010-09-02 8:54 ` KAMEZAWA Hiroyuki
2010-09-02 8:54 ` KAMEZAWA Hiroyuki
2010-09-02 8:54 ` KAMEZAWA Hiroyuki
2010-09-03 10:29 ` KAMEZAWA Hiroyuki
2010-09-03 10:29 ` KAMEZAWA Hiroyuki
2010-09-03 10:29 ` KAMEZAWA Hiroyuki
2010-09-05 15:57 ` Minchan Kim
2010-09-05 15:57 ` Minchan Kim
2010-09-05 15:57 ` Minchan Kim
2010-09-06 0:08 ` KAMEZAWA Hiroyuki
2010-09-06 0:08 ` KAMEZAWA Hiroyuki
2010-09-06 0:08 ` KAMEZAWA Hiroyuki
2010-08-26 1:22 ` Pawel Osciak
2010-08-26 1:22 ` Pawel Osciak
2010-08-26 1:22 ` Pawel Osciak
2010-08-26 2:40 ` Michał Nazarewicz
2010-08-26 2:40 ` Michał Nazarewicz
2010-08-26 2:40 ` Michał Nazarewicz
2010-08-26 8:18 ` Peter Zijlstra
2010-08-26 8:18 ` Peter Zijlstra
2010-08-26 8:18 ` Peter Zijlstra
2010-08-26 10:18 ` Mel Gorman
2010-08-26 10:18 ` Mel Gorman
2010-08-26 10:18 ` Mel Gorman
2010-08-28 13:08 ` Hans Verkuil
2010-08-28 13:08 ` Hans Verkuil
2010-08-28 13:08 ` Hans Verkuil
2010-08-28 13:34 ` Peter Zijlstra
2010-08-28 13:34 ` Peter Zijlstra
2010-08-28 13:34 ` Peter Zijlstra
2010-08-28 13:58 ` Hans Verkuil
2010-08-28 13:58 ` Hans Verkuil
2010-08-28 13:58 ` Hans Verkuil
2010-08-28 14:16 ` Peter Zijlstra
2010-08-28 14:16 ` Peter Zijlstra
2010-08-28 14:16 ` Peter Zijlstra
2010-08-30 8:27 ` Clemens Ladisch [this message]
2010-08-30 8:27 ` Clemens Ladisch
2010-08-30 8:27 ` Clemens Ladisch
2010-08-26 1:28 ` Michał Nazarewicz
2010-08-26 1:28 ` Michał Nazarewicz
2010-08-26 1:28 ` Michał Nazarewicz
2010-08-26 8:17 ` Peter Zijlstra
2010-08-26 8:17 ` Peter Zijlstra
2010-08-26 8:17 ` Peter Zijlstra
2010-08-27 2:41 ` Michał Nazarewicz
2010-08-27 2:41 ` Michał Nazarewicz
2010-08-27 2:41 ` Michał Nazarewicz
2010-08-26 10:12 ` Mel Gorman
2010-08-26 10:12 ` Mel Gorman
2010-08-26 10:12 ` Mel Gorman
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