# Re: \[PATCH v3 4/4\] dma-buf: heaps: add chunk heap to dmabuf heaps

- From: Minchan Kim \<minchan@kernel.org\>
- Date: 2021-01-19 16:11:21 
- List: linux-mm
- Page: https://ratatoskr.run/linux-mm/2021/01/6239996
- Thread: https://ratatoskr.run/linux-mm/2021/01/6232694/t.md

```text
On Tue, Jan 12, 2021 at 05:21:43PM -0800, Minchan Kim wrote:
> From: Hyesoo Yu <redacted>
> 
> This patch supports chunk heap that allocates the buffers that
> arranged into a list a fixed size chunks taken from CMA.
> 
> The chunk heap driver is bound directly to a reserved_memory
> node by following Rob Herring's suggestion in [1].
> 
> [1] https://lore.kernel.org/lkml/20191025225009.50305-2-john.stultz@linaro.org/T/#m3dc63acd33fea269a584f43bb799a876f0b2b45d
> 
> Signed-off-by: Hyesoo Yu <redacted>
> Signed-off-by: Hridya Valsaraju <redacted>
> Signed-off-by: Minchan Kim <minchan@kernel.org>

DMABUF folks,

It would be great if you guys give any comments.

```