From: Minchan Kim <minchan@kernel.org>
To: Michal Hocko <mhocko@suse.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-mm <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>,
hyesoo.yu@samsung.com, david@redhat.com, surenb@google.com,
pullip.cho@samsung.com, joaodias@google.com, hridya@google.com,
john.stultz@linaro.org, sumit.semwal@linaro.org,
linux-media@vger.kernel.org, devicetree@vger.kernel.org,
hch@infradead.org, robh+dt@kernel.org,
linaro-mm-sig@lists.linaro.org
Subject: Re: [PATCH v4 4/4] dma-buf: heaps: add chunk heap to dmabuf heaps
Date: Tue, 26 Jan 2021 11:25:36 -0800 [thread overview]
Message-ID: <YBBssDOJNQ8qq9w1@google.com> (raw)
In-Reply-To: <20210126074605.GB827@dhcp22.suse.cz>
On Tue, Jan 26, 2021 at 08:46:05AM +0100, Michal Hocko wrote:
> On Thu 21-01-21 09:55:02, Minchan Kim wrote:
> > From: Hyesoo Yu <hyesoo.yu@samsung.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
>
> Who is using this allocator in the kernel?
Userspace uses the memory via mapping it via dmabuf.
next prev parent reply other threads:[~2021-01-27 3:17 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-21 17:54 [PATCH v4 0/4] Chunk Heap Support on DMA-HEAP Minchan Kim
2021-01-21 17:54 ` [PATCH v4 1/4] mm: cma: introduce gfp flag in cma_alloc instead of no_warn Minchan Kim
2021-01-21 18:46 ` David Hildenbrand
2021-01-21 18:50 ` Minchan Kim
2021-01-25 13:07 ` Michal Hocko
2021-01-25 19:42 ` Minchan Kim
2021-01-26 7:38 ` Michal Hocko
2021-01-26 19:12 ` Minchan Kim
2021-01-27 20:21 ` Minchan Kim
2021-01-21 17:55 ` [PATCH v4 2/4] mm: failfast mode with __GFP_NORETRY in alloc_contig_range Minchan Kim
2021-01-25 13:12 ` Michal Hocko
2021-01-25 13:13 ` Michal Hocko
2021-01-25 19:33 ` Minchan Kim
2021-01-26 7:44 ` Michal Hocko
2021-01-26 19:10 ` Minchan Kim
2021-01-27 8:14 ` Michal Hocko
2021-01-27 20:42 ` Minchan Kim
2021-01-28 7:53 ` Michal Hocko
2021-01-28 16:56 ` Minchan Kim
2021-01-21 17:55 ` [PATCH v4 3/4] dt-bindings: reserved-memory: Make DMA-BUF CMA heap DT-configurable Minchan Kim
2021-01-26 7:07 ` John Stultz
2021-01-26 7:07 ` John Stultz
2021-01-27 20:25 ` Hridya Valsaraju
2021-01-27 20:25 ` Hridya Valsaraju
2021-02-05 22:55 ` Rob Herring
2021-01-21 17:55 ` [PATCH v4 4/4] dma-buf: heaps: add chunk heap to dmabuf heaps Minchan Kim
2021-01-26 7:07 ` Christoph Hellwig
2021-01-26 19:27 ` Minchan Kim
2021-01-26 7:32 ` John Stultz
2021-01-26 7:32 ` John Stultz
2021-01-26 19:24 ` Minchan Kim
2021-01-26 19:24 ` Minchan Kim
2021-01-26 7:46 ` Michal Hocko
2021-01-26 19:25 ` Minchan Kim [this message]
2021-01-27 8:09 ` Michal Hocko
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