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SubjectRe: [RFC][PATCH 1/3] contigous big page allocator
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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/

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Felipe Contreras
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