Messages in this thread | | | Date | Fri, 15 Oct 2010 00:09:47 +0900 | Subject | Re: [RFC][PATCH 1/3] contigous big page allocator | From | FUJITA Tomonori <> |
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On Thu, 14 Oct 2010 14:55:19 +0200 Andi Kleen <andi@firstfloor.org> wrote:
> > I think that at least one mainline driver in arm uses such trick but I > > can't recall the name. Better to ask on the arm mainling list. Also I > > heard that the are some out-of-tree patches about this. > > I'm sure there are out of tree patches for lots of things, > but at least in terms of merging mainline functionality > use cases merged in the mainline tree are required.
I think that we already have drivers that need such feature in mainline. They keep out-of-tree patches that give continuous memory to these drivers reliably.
Anyway, Felipe pointed out one user. I also think that drivers/media/video/videobuf-dma-contig.c also was already mentioned, needs such feature.
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