From: Felipe Contreras <felipe.contreras@gmail.com>
To: Andi Kleen <andi@firstfloor.org>
Cc: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>,
kamezawa.hiroyu@jp.fujitsu.com, linux-mm@kvack.org,
linux-kernel@vger.kernel.org, minchan.kim@gmail.com
Subject: Re: [RFC][PATCH 1/3] contigous big page allocator
Date: Thu, 14 Oct 2010 15:10:07 +0300 [thread overview]
Message-ID: <AANLkTi=mGPjL0T33cuYbpKyc=a3d9XTCJqwBLFqVmWpm@mail.gmail.com> (raw)
In-Reply-To: <20101014072421.GA13414@basil.fritz.box>
On Thu, Oct 14, 2010 at 10:24 AM, Andi Kleen <andi@firstfloor.org> wrote:
> On Thu, Oct 14, 2010 at 04:07:12PM +0900, FUJITA Tomonori wrote:
>> On Wed, 13 Oct 2010 09:01:43 +0200
>> Andi Kleen <andi@firstfloor.org> wrote:
>>
>> > KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> writes:
>> > >
>> > > What this wants to do:
>> > > allocates a contiguous chunk of pages larger than MAX_ORDER.
>> > > for device drivers (camera? etc..)
>> >
>> > I think to really move forward you need a concrete use case
>> > actually implemented in tree.
>>
>> As already pointed out, some embeded drivers need physcailly
>> contignous memory. Currenlty, they use hacky tricks (e.g. playing with
>> the boot memory allocators). There are several proposals for this like
>
> Are any of those in mainline?
drivers/video/omap/
--
Felipe Contreras
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next prev parent reply other threads:[~2010-10-14 12:10 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-13 3:15 KAMEZAWA Hiroyuki
2010-10-13 3:17 ` [RFC][PATCH 2/3] find a contiguous range KAMEZAWA Hiroyuki
2010-10-17 3:18 ` Minchan Kim
2010-10-18 0:29 ` KAMEZAWA Hiroyuki
2010-10-13 3:18 ` [RFC][PATCH 3/3] alloc contig pages with migration KAMEZAWA Hiroyuki
2010-10-17 4:05 ` Minchan Kim
2010-10-18 0:35 ` KAMEZAWA Hiroyuki
2010-10-18 5:18 ` Minchan Kim
2010-10-18 5:31 ` KAMEZAWA Hiroyuki
2010-10-18 5:52 ` Minchan Kim
2010-10-18 5:52 ` KAMEZAWA Hiroyuki
2010-10-13 5:05 ` [RFC][PATCH 1/3] contigous big page allocator KOSAKI Motohiro
2010-10-13 7:01 ` Andi Kleen
2010-10-13 7:12 ` KAMEZAWA Hiroyuki
2010-10-13 8:36 ` Andi Kleen
2010-10-13 8:39 ` KAMEZAWA Hiroyuki
2010-10-14 1:59 ` KOSAKI Motohiro
2010-10-14 7:07 ` FUJITA Tomonori
2010-10-14 7:24 ` Andi Kleen
2010-10-14 8:36 ` FUJITA Tomonori
2010-10-14 12:55 ` Andi Kleen
2010-10-14 15:09 ` FUJITA Tomonori
2010-10-14 12:10 ` Felipe Contreras [this message]
2010-10-14 12:09 ` Felipe Contreras
2010-10-14 15:24 ` FUJITA Tomonori
2010-10-14 21:50 ` Felipe Contreras
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