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Mercier" Date: Wed, 25 Feb 2026 11:54:31 -0800 X-Gm-Features: AaiRm51QwXByHIj_4EAMjL0iJavUr_3DqvTRveBK0_qkEAD8H59M0Ces2LdyWWw Message-ID: Subject: Re: [PATCH 6/7] dma-buf: heaps: cma: Turn the heap into a module To: Maxime Ripard Cc: Sumit Semwal , Benjamin Gaignard , Brian Starkey , John Stultz , =?UTF-8?Q?Christian_K=C3=B6nig?= , Marek Szyprowski , Robin Murphy , Andrew Morton , David Hildenbrand , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, linux-kernel@vger.kernel.org, iommu@lists.linux.dev, linux-mm@kvack.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Wed, Feb 25, 2026 at 8:42=E2=80=AFAM Maxime Ripard = wrote: > > Now that all the symbols used by the CMA heap are exported, turning the > CMA heap into a module becomes pretty easy: we just need to add the > usual MODULE_* macros, import the proper namespaces and change the > Kconfig symbol to a tristate. > > Signed-off-by: Maxime Ripard It'd be good to add a note that heap modules can't be unloaded (unless we add more code to verify there are no live heap allocations). With that: Reviewed-by: T.J. Mercier