Re: [PATCH 0/3] Chunk Heap Support on DMA-HEAP

2020-08-21 Thread Cho KyongHo
Hi Brain, On Wed, Aug 19, 2020 at 02:22:04PM +0100, Brian Starkey wrote: > Hi KyongHo, > > On Wed, Aug 19, 2020 at 12:46:26PM +0900, Cho KyongHo wrote: > > I have seriously considered CPA in our product but we developed our own > > because of the pool in CPA. > > Oh good, I'm glad you

Re: [PATCH 0/3] Chunk Heap Support on DMA-HEAP

2020-08-19 Thread Brian Starkey
Hi KyongHo, On Wed, Aug 19, 2020 at 12:46:26PM +0900, Cho KyongHo wrote: > I have seriously considered CPA in our product but we developed our own > because of the pool in CPA. Oh good, I'm glad you considered it :-) > The high-order pages are required by some specific users like Netflix > app.

Re: [PATCH 0/3] Chunk Heap Support on DMA-HEAP

2020-08-18 Thread Cho KyongHo
On Tue, Aug 18, 2020 at 11:55:57AM +0100, Brian Starkey wrote: > Hi, > > On Tue, Aug 18, 2020 at 05:04:12PM +0900, Hyesoo Yu wrote: > > These patch series to introduce a new dma heap, chunk heap. > > That heap is needed for special HW that requires bulk allocation of > > fixed high order pages.

Re: [PATCH 0/3] Chunk Heap Support on DMA-HEAP

2020-08-18 Thread John Stultz
On Tue, Aug 18, 2020 at 12:45 AM Hyesoo Yu wrote: > > These patch series to introduce a new dma heap, chunk heap. > That heap is needed for special HW that requires bulk allocation of > fixed high order pages. For example, 64MB dma-buf pages are made up > to fixed order-4 pages * 1024. > > The

Re: [PATCH 0/3] Chunk Heap Support on DMA-HEAP

2020-08-18 Thread Brian Starkey
Hi, On Tue, Aug 18, 2020 at 05:04:12PM +0900, Hyesoo Yu wrote: > These patch series to introduce a new dma heap, chunk heap. > That heap is needed for special HW that requires bulk allocation of > fixed high order pages. For example, 64MB dma-buf pages are made up > to fixed order-4 pages * 1024.