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

-Andi
--
ak@linux.intel.com -- Speaking for myself only.


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