On Wed, 13 Oct 2010 09:01:43 +0200 Andi Kleen <andi@xxxxxxxxxxxxxx> wrote: > KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> 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 adding a new kernel memory allocator (from samsung). It's ideal if the memory allocator can handle this, I think. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>