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Mercier" , Jonathan Corbet Cc: linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] Documentation: dma-buf: heaps: Add naming guidelines Message-ID: References: <20250520-dma-buf-heap-names-doc-v1-1-ab31f74809ee@kernel.org> Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="NypwNQ7lUsvPyCso" Content-Disposition: inline In-Reply-To: <20250520-dma-buf-heap-names-doc-v1-1-ab31f74809ee@kernel.org> --NypwNQ7lUsvPyCso Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, May 20, 2025 at 12:00:53PM +0200, Maxime Ripard wrote: > +Naming Convention > +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > + > +A good heap name is a name that: > + > +- Is stable, and won't change from one version to the other; > + > +- Describes the memory region the heap will allocate from, and will > + uniquely identify it in a given platform; > + > +- Doesn't use implementation details, such as the allocator; > + > +- Can describe intended usage. > + > +For example, assuming a platform with a reserved memory region located > +at the RAM address 0x42000000, intended to allocate video framebuffers, > +and backed by the CMA kernel allocator. Good names would be > +`memory@42000000` or `video@42000000`, but `cma-video` wouldn't. Looks good, thanks! Reviewed-by: Bagas Sanjaya --=20 An old man doll... just what I always wanted! - Clara --NypwNQ7lUsvPyCso Content-Type: application/pgp-signature; name=signature.asc -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQSSYQ6Cy7oyFNCHrUH2uYlJVVFOowUCaC0qUQAKCRD2uYlJVVFO o0PWAPkB0WhcqMYxc22GRsTrNHTiOOPmCuqttpkhvh7zJak34wD/RfEvLDvJd4S0 gd404Ak39Db39XlwIwe0XTZMK8hm4AA= =6/NP -----END PGP SIGNATURE----- --NypwNQ7lUsvPyCso--