Messages in this thread | | | Date | Fri, 15 Oct 2010 00:24:05 +0900 | Subject | Re: [RFC][PATCH 1/3] contigous big page allocator | From | FUJITA Tomonori <> |
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On Thu, 14 Oct 2010 15:09:13 +0300 Felipe Contreras <felipe.contreras@gmail.com> wrote:
> > 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. > > Not only contiguous, but sometimes also coherent.
Can you give the list of such drivers?
Anyway, in general cases, the page allocator needs to allocate large contignous memory if we want dma_alloc_coherent to return large contignous coherent memory.
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