Messages in this thread | | | Date | Thu, 14 Oct 2010 09:24:21 +0200 | From | Andi Kleen <> | Subject | Re: [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.
| |