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

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Message-ID: <YAcAF2FUhaOIDY3N@google.com>
Date:   Tue, 19 Jan 2021 07:51:51 -0800
From:   Minchan Kim <minchan@...nel.org>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     linux-mm <linux-mm@...ck.org>, LKML <linux-kernel@...r.kernel.org>,
        hyesoo.yu@...sung.com, david@...hat.com, mhocko@...e.com,
        surenb@...gle.com, pullip.cho@...sung.com, joaodias@...gle.com,
        hridya@...gle.com, john.stultz@...aro.org, sumit.semwal@...aro.org,
        linux-media@...r.kernel.org, devicetree@...r.kernel.org,
        hch@...radead.org, robh+dt@...nel.org,
        linaro-mm-sig@...ts.linaro.org
Subject: Re: [PATCH v3 4/4] dma-buf: heaps: add chunk heap to dmabuf heaps

On Tue, Jan 12, 2021 at 05:21:43PM -0800, Minchan Kim wrote:
> From: Hyesoo Yu <hyesoo.yu@...sung.com>
> 
> 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 <hyesoo.yu@...sung.com>
> Signed-off-by: Hridya Valsaraju <hridya@...gle.com>
> Signed-off-by: Minchan Kim <minchan@...nel.org>

DMABUF folks,

It would be great if you guys give any comments.