From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: "Michał Nazarewicz" <m.nazarewicz@samsung.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>,
'Daniel Walker' <dwalker@codeaurora.org>,
linux-mm@kvack.org, Pawel Osciak <p.osciak@samsung.com>,
'Xiaolin Zhang' <xiaolin.zhang@intel.com>,
'Hiremath Vaibhav' <hvaibhav@ti.com>,
'Robert Fekete' <robert.fekete@stericsson.com>,
'Marcus Lorentzon' <marcus.xm.lorentzon@stericsson.com>,
linux-kernel@vger.kernel.org,
'Kyungmin Park' <kyungmin.park@samsung.com>,
linux-arm-msm@vger.kernel.org
Subject: Re: [PATCH 2/4] mm: cma: Contiguous Memory Allocator added
Date: Thu, 22 Jul 2010 16:05:32 +0100 [thread overview]
Message-ID: <20100722150532.GA16119@rakim.wolfsonmicro.main> (raw)
In-Reply-To: <op.vf82j5m17p4s8u@pikus>
On Thu, Jul 22, 2010 at 04:58:43PM +0200, Michał Nazarewicz wrote:
> On Thu, 22 Jul 2010 15:40:56 +0200, Mark Brown <broonie@opensource.wolfsonmicro.com> wrote:
> >Yeah, agreed though I'm not convinced we can't do it via userspace
> >(initrd would give us a chance to do stuff early) or just kernel
> >rebuilds.
> If there's any other easy way of overwriting platform's default I'm happy
> to listen. :)
Netlink or similar, for example?
> >Yes, exactly - probably you can even have a default region backed by
> >normal vmalloc() RAM which would at least be able to take a stab at
> >working by default.
> Not sure what you mean here. vmalloc() allocated buffers cannot be used
> with CMA since they are not contiguous in memory.
Sorry, thinko - I just meant allocated at runtime. It'd fail a a lot of
the time so might not be worth bothering.
WARNING: multiple messages have this Message-ID (diff)
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: "Michał Nazarewicz" <m.nazarewicz@samsung.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>,
'Daniel Walker' <dwalker@codeaurora.org>,
linux-mm@kvack.org, Pawel Osciak <p.osciak@samsung.com>,
'Xiaolin Zhang' <xiaolin.zhang@intel.com>,
'Hiremath Vaibhav' <hvaibhav@ti.com>,
'Robert Fekete' <robert.fekete@stericsson.com>,
'Marcus Lorentzon' <marcus.xm.lorentzon@stericsson.com>,
linux-kernel@vger.kernel.org,
'Kyungmin Park' <kyungmin.park@samsung.com>,
linux-arm-msm@vger.kernel.org
Subject: Re: [PATCH 2/4] mm: cma: Contiguous Memory Allocator added
Date: Thu, 22 Jul 2010 16:05:32 +0100 [thread overview]
Message-ID: <20100722150532.GA16119@rakim.wolfsonmicro.main> (raw)
In-Reply-To: <op.vf82j5m17p4s8u@pikus>
On Thu, Jul 22, 2010 at 04:58:43PM +0200, MichaA? Nazarewicz wrote:
> On Thu, 22 Jul 2010 15:40:56 +0200, Mark Brown <broonie@opensource.wolfsonmicro.com> wrote:
> >Yeah, agreed though I'm not convinced we can't do it via userspace
> >(initrd would give us a chance to do stuff early) or just kernel
> >rebuilds.
> If there's any other easy way of overwriting platform's default I'm happy
> to listen. :)
Netlink or similar, for example?
> >Yes, exactly - probably you can even have a default region backed by
> >normal vmalloc() RAM which would at least be able to take a stab at
> >working by default.
> Not sure what you mean here. vmalloc() allocated buffers cannot be used
> with CMA since they are not contiguous in memory.
Sorry, thinko - I just meant allocated at runtime. It'd fail a a lot of
the time so might not be worth bothering.
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next prev parent reply other threads:[~2010-07-22 15:05 UTC|newest]
Thread overview: 98+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-20 15:51 [PATCH 0/4] The Contiguous Memory Allocator Michal Nazarewicz
2010-07-20 15:51 ` Michal Nazarewicz
2010-07-20 15:51 ` [PATCH 1/4] lib: rbtree: rb_root_init() function added Michal Nazarewicz
2010-07-20 15:51 ` [PATCH 2/4] mm: cma: Contiguous Memory Allocator added Michal Nazarewicz
2010-07-20 15:51 ` [PATCH 3/4] mm: cma: Test device and application added Michal Nazarewicz
2010-07-20 15:51 ` [PATCH 4/4] arm: Added CMA to Aquila and Goni Michal Nazarewicz
2010-07-20 18:15 ` [PATCH 2/4] mm: cma: Contiguous Memory Allocator added Daniel Walker
2010-07-20 18:15 ` Daniel Walker
2010-07-20 19:14 ` Michał Nazarewicz
2010-07-20 19:14 ` Michał Nazarewicz
2010-07-20 19:38 ` Daniel Walker
2010-07-20 19:38 ` Daniel Walker
2010-07-21 12:01 ` Michał Nazarewicz
2010-07-21 12:01 ` Michał Nazarewicz
2010-07-21 17:35 ` Daniel Walker
2010-07-21 17:35 ` Daniel Walker
2010-07-21 18:11 ` Michał Nazarewicz
2010-07-21 18:11 ` Michał Nazarewicz
2010-07-21 18:19 ` Daniel Walker
2010-07-21 18:19 ` Daniel Walker
2010-07-21 18:38 ` Michał Nazarewicz
2010-07-21 18:38 ` Michał Nazarewicz
2010-07-21 18:58 ` Daniel Walker
2010-07-21 18:58 ` Daniel Walker
2010-07-21 19:21 ` Michał Nazarewicz
2010-07-21 19:21 ` Michał Nazarewicz
2010-07-21 19:37 ` Daniel Walker
2010-07-21 19:37 ` Daniel Walker
2010-07-21 19:53 ` Michał Nazarewicz
2010-07-21 19:53 ` Michał Nazarewicz
2010-07-21 20:03 ` Daniel Walker
2010-07-21 20:03 ` Daniel Walker
2010-07-21 20:22 ` Michał Nazarewicz
2010-07-21 20:22 ` Michał Nazarewicz
2010-07-21 20:34 ` Daniel Walker
2010-07-21 20:34 ` Daniel Walker
2010-07-21 20:43 ` Michał Nazarewicz
2010-07-21 20:43 ` Michał Nazarewicz
2010-07-21 20:45 ` Daniel Walker
2010-07-21 20:45 ` Daniel Walker
2010-07-21 20:56 ` Michał Nazarewicz
2010-07-21 20:56 ` Michał Nazarewicz
2010-07-21 21:01 ` Daniel Walker
2010-07-21 21:01 ` Daniel Walker
2010-07-22 9:34 ` Michał Nazarewicz
2010-07-22 9:34 ` Michał Nazarewicz
2010-07-21 13:52 ` Mark Brown
2010-07-21 13:52 ` Mark Brown
2010-07-21 14:31 ` Michał Nazarewicz
2010-07-21 14:31 ` Michał Nazarewicz
2010-07-21 18:24 ` Mark Brown
2010-07-21 18:24 ` Mark Brown
2010-07-21 18:41 ` Michał Nazarewicz
2010-07-21 18:41 ` Michał Nazarewicz
2010-07-22 9:06 ` Mark Brown
2010-07-22 9:06 ` Mark Brown
2010-07-22 9:25 ` Marek Szyprowski
2010-07-22 9:25 ` Marek Szyprowski
2010-07-22 10:52 ` Mark Brown
2010-07-22 10:52 ` Mark Brown
2010-07-22 11:30 ` Michał Nazarewicz
2010-07-22 11:30 ` Michał Nazarewicz
2010-07-22 12:46 ` Mark Brown
2010-07-22 12:46 ` Mark Brown
2010-07-22 13:24 ` Michał Nazarewicz
2010-07-22 13:24 ` Michał Nazarewicz
2010-07-22 13:40 ` Mark Brown
2010-07-22 13:40 ` Mark Brown
2010-07-22 14:58 ` Michał Nazarewicz
2010-07-22 14:58 ` Michał Nazarewicz
2010-07-22 15:05 ` Mark Brown [this message]
2010-07-22 15:05 ` Mark Brown
2010-07-20 20:52 ` Jonathan Corbet
2010-07-20 20:52 ` Jonathan Corbet
2010-07-21 10:16 ` Michał Nazarewicz
2010-07-21 10:16 ` Michał Nazarewicz
2010-07-21 0:12 ` Jonathan Corbet
2010-07-21 0:12 ` Jonathan Corbet
2010-07-22 5:37 ` FUJITA Tomonori
2010-07-22 5:37 ` FUJITA Tomonori
2010-07-22 7:28 ` Marek Szyprowski
2010-07-22 7:28 ` Marek Szyprowski
2010-07-22 9:35 ` FUJITA Tomonori
2010-07-22 9:35 ` FUJITA Tomonori
2010-07-22 9:50 ` Michał Nazarewicz
2010-07-22 9:50 ` Michał Nazarewicz
2010-07-22 10:17 ` FUJITA Tomonori
2010-07-22 10:17 ` FUJITA Tomonori
2010-07-22 10:55 ` Mark Brown
2010-07-22 10:55 ` Mark Brown
2010-07-22 11:49 ` Michał Nazarewicz
2010-07-22 11:49 ` Michał Nazarewicz
2010-07-22 4:54 ` Zach Pfeffer
2010-07-22 4:54 ` Zach Pfeffer
2010-07-22 7:49 ` Marek Szyprowski
2010-07-22 7:49 ` Marek Szyprowski
2010-07-23 7:06 ` Pawel Osciak
2010-07-23 7:06 ` Pawel Osciak
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