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(unknown [IPv6:2a01:e0a:5e3:6100:2e0:4cff:fe03:d8c]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: loicmolinari) by bali.collaboradmins.com (Postfix) with ESMTPSA id 07E9B17E12C5; Fri, 28 Nov 2025 19:53:02 +0100 (CET) From: =?UTF-8?q?Lo=C3=AFc=20Molinari?= To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , Boris Brezillon , Rob Herring , Steven Price , Liviu Dudau , Melissa Wen , =?UTF-8?q?Ma=C3=ADra=20Canal?= , Hugh Dickins , Baolin Wang , Andrew Morton , =?UTF-8?q?Lo=C3=AFc=20Molinari?= , Al Viro , =?UTF-8?q?Miko=C5=82aj=20Wasiak?= , Christian Brauner , Nitin Gote , Andi Shyti , Jonathan Corbet , Christopher Healy , Matthew Wilcox , Bagas Sanjaya Cc: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, linux-mm@kvack.org, linux-doc@vger.kernel.org, kernel@collabora.com Subject: [PATCH v10 07/10] drm/gem: Get rid of *_with_mnt helpers Date: Fri, 28 Nov 2025 19:52:49 +0100 Message-ID: <20251128185252.3092-8-loic.molinari@collabora.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20251128185252.3092-1-loic.molinari@collabora.com> References: <20251128185252.3092-1-loic.molinari@collabora.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable drm_gem_object_init_with_mnt() and drm_gem_shmem_create_with_mnt() can be removed now that the drivers use the new drm_gem_huge_mnt_create() and drm_gem_get_huge_mnt() helpers. v5: - use drm_gem_has_huge_mnt() helper - compile out shmem_file_setup_with_mnt() call in builds with CONFIG_TRANSPARENT_HUGEPAGE=3Dn v9: - replace drm_gem_has_huge_mnt() with drm_gem_get_huge_mnt() Signed-off-by: Lo=C3=AFc Molinari Reviewed-by: Boris Brezillon --- drivers/gpu/drm/drm_gem.c | 37 +++++++------------------ drivers/gpu/drm/drm_gem_shmem_helper.c | 38 ++++++-------------------- drivers/gpu/drm/v3d/v3d_bo.c | 3 +- include/drm/drm_gem.h | 3 -- include/drm/drm_gem_shmem_helper.h | 3 -- 5 files changed, 19 insertions(+), 65 deletions(-) diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c index 94e5e04865ba..a7c79f640e7b 100644 --- a/drivers/gpu/drm/drm_gem.c +++ b/drivers/gpu/drm/drm_gem.c @@ -171,29 +171,28 @@ drm_gem_init(struct drm_device *dev) } =20 /** - * drm_gem_object_init_with_mnt - initialize an allocated shmem-backed GEM - * object in a given shmfs mountpoint + * drm_gem_object_init - initialize an allocated shmem-backed GEM object * * @dev: drm_device the object should be initialized for * @obj: drm_gem_object to initialize * @size: object size - * @gemfs: tmpfs mount where the GEM object will be created. If NULL, use - * the usual tmpfs mountpoint (`shm_mnt`). * * Initialize an already allocated GEM object of the specified size with - * shmfs backing store. + * shmfs backing store. A huge mountpoint can be used by calling + * drm_gem_huge_mnt_create() beforehand. */ -int drm_gem_object_init_with_mnt(struct drm_device *dev, - struct drm_gem_object *obj, size_t size, - struct vfsmount *gemfs) +int drm_gem_object_init(struct drm_device *dev, struct drm_gem_object *obj, + size_t size) { + struct vfsmount *huge_mnt; struct file *filp; =20 drm_gem_private_object_init(dev, obj, size); =20 - if (gemfs) - filp =3D shmem_file_setup_with_mnt(gemfs, "drm mm object", size, - VM_NORESERVE); + huge_mnt =3D drm_gem_get_huge_mnt(dev); + if (huge_mnt) + filp =3D shmem_file_setup_with_mnt(huge_mnt, "drm mm object", + size, VM_NORESERVE); else filp =3D shmem_file_setup("drm mm object", size, VM_NORESERVE); =20 @@ -204,22 +203,6 @@ int drm_gem_object_init_with_mnt(struct drm_device *de= v, =20 return 0; } -EXPORT_SYMBOL(drm_gem_object_init_with_mnt); - -/** - * drm_gem_object_init - initialize an allocated shmem-backed GEM object - * @dev: drm_device the object should be initialized for - * @obj: drm_gem_object to initialize - * @size: object size - * - * Initialize an already allocated GEM object of the specified size with - * shmfs backing store. - */ -int drm_gem_object_init(struct drm_device *dev, struct drm_gem_object *obj, - size_t size) -{ - return drm_gem_object_init_with_mnt(dev, obj, size, NULL); -} EXPORT_SYMBOL(drm_gem_object_init); =20 /** diff --git a/drivers/gpu/drm/drm_gem_shmem_helper.c b/drivers/gpu/drm/drm_g= em_shmem_helper.c index 81f4ac7cb8f6..43a80f3fcfd9 100644 --- a/drivers/gpu/drm/drm_gem_shmem_helper.c +++ b/drivers/gpu/drm/drm_gem_shmem_helper.c @@ -50,7 +50,7 @@ static const struct drm_gem_object_funcs drm_gem_shmem_fu= ncs =3D { }; =20 static int __drm_gem_shmem_init(struct drm_device *dev, struct drm_gem_shm= em_object *shmem, - size_t size, bool private, struct vfsmount *gemfs) + size_t size, bool private) { struct drm_gem_object *obj =3D &shmem->base; int ret =3D 0; @@ -62,7 +62,7 @@ static int __drm_gem_shmem_init(struct drm_device *dev, s= truct drm_gem_shmem_obj drm_gem_private_object_init(dev, obj, size); shmem->map_wc =3D false; /* dma-buf mappings use always writecombine */ } else { - ret =3D drm_gem_object_init_with_mnt(dev, obj, size, gemfs); + ret =3D drm_gem_object_init(dev, obj, size); } if (ret) { drm_gem_private_object_fini(obj); @@ -103,13 +103,12 @@ static int __drm_gem_shmem_init(struct drm_device *de= v, struct drm_gem_shmem_obj */ int drm_gem_shmem_init(struct drm_device *dev, struct drm_gem_shmem_object= *shmem, size_t size) { - return __drm_gem_shmem_init(dev, shmem, size, false, NULL); + return __drm_gem_shmem_init(dev, shmem, size, false); } EXPORT_SYMBOL_GPL(drm_gem_shmem_init); =20 static struct drm_gem_shmem_object * -__drm_gem_shmem_create(struct drm_device *dev, size_t size, bool private, - struct vfsmount *gemfs) +__drm_gem_shmem_create(struct drm_device *dev, size_t size, bool private) { struct drm_gem_shmem_object *shmem; struct drm_gem_object *obj; @@ -129,7 +128,7 @@ __drm_gem_shmem_create(struct drm_device *dev, size_t s= ize, bool private, obj =3D &shmem->base; } =20 - ret =3D __drm_gem_shmem_init(dev, shmem, size, private, gemfs); + ret =3D __drm_gem_shmem_init(dev, shmem, size, private); if (ret) { kfree(obj); return ERR_PTR(ret); @@ -150,31 +149,10 @@ __drm_gem_shmem_create(struct drm_device *dev, size_t= size, bool private, */ struct drm_gem_shmem_object *drm_gem_shmem_create(struct drm_device *dev, = size_t size) { - return __drm_gem_shmem_create(dev, size, false, NULL); + return __drm_gem_shmem_create(dev, size, false); } EXPORT_SYMBOL_GPL(drm_gem_shmem_create); =20 -/** - * drm_gem_shmem_create_with_mnt - Allocate an object with the given size = in a - * given mountpoint - * @dev: DRM device - * @size: Size of the object to allocate - * @gemfs: tmpfs mount where the GEM object will be created - * - * This function creates a shmem GEM object in a given tmpfs mountpoint. - * - * Returns: - * A struct drm_gem_shmem_object * on success or an ERR_PTR()-encoded nega= tive - * error code on failure. - */ -struct drm_gem_shmem_object *drm_gem_shmem_create_with_mnt(struct drm_devi= ce *dev, - size_t size, - struct vfsmount *gemfs) -{ - return __drm_gem_shmem_create(dev, size, false, gemfs); -} -EXPORT_SYMBOL_GPL(drm_gem_shmem_create_with_mnt); - /** * drm_gem_shmem_release - Release resources associated with a shmem GEM o= bject. * @shmem: shmem GEM object @@ -861,7 +839,7 @@ drm_gem_shmem_prime_import_sg_table(struct drm_device *= dev, size_t size =3D PAGE_ALIGN(attach->dmabuf->size); struct drm_gem_shmem_object *shmem; =20 - shmem =3D __drm_gem_shmem_create(dev, size, true, NULL); + shmem =3D __drm_gem_shmem_create(dev, size, true); if (IS_ERR(shmem)) return ERR_CAST(shmem); =20 @@ -909,7 +887,7 @@ struct drm_gem_object *drm_gem_shmem_prime_import_no_ma= p(struct drm_device *dev, =20 size =3D PAGE_ALIGN(attach->dmabuf->size); =20 - shmem =3D __drm_gem_shmem_create(dev, size, true, NULL); + shmem =3D __drm_gem_shmem_create(dev, size, true); if (IS_ERR(shmem)) { ret =3D PTR_ERR(shmem); goto fail_detach; diff --git a/drivers/gpu/drm/v3d/v3d_bo.c b/drivers/gpu/drm/v3d/v3d_bo.c index 3ee8d9c36d92..c4316b768b3d 100644 --- a/drivers/gpu/drm/v3d/v3d_bo.c +++ b/drivers/gpu/drm/v3d/v3d_bo.c @@ -153,8 +153,7 @@ struct v3d_bo *v3d_bo_create(struct drm_device *dev, st= ruct drm_file *file_priv, struct v3d_bo *bo; int ret; =20 - shmem_obj =3D drm_gem_shmem_create_with_mnt(dev, unaligned_size, - drm_gem_get_huge_mnt(dev)); + shmem_obj =3D drm_gem_shmem_create(dev, unaligned_size); if (IS_ERR(shmem_obj)) return ERR_CAST(shmem_obj); bo =3D to_v3d_bo(&shmem_obj->base); diff --git a/include/drm/drm_gem.h b/include/drm/drm_gem.h index 4e9ab5d294ac..3ecab9cf625f 100644 --- a/include/drm/drm_gem.h +++ b/include/drm/drm_gem.h @@ -529,9 +529,6 @@ void drm_gem_object_release(struct drm_gem_object *obj); void drm_gem_object_free(struct kref *kref); int drm_gem_object_init(struct drm_device *dev, struct drm_gem_object *obj, size_t size); -int drm_gem_object_init_with_mnt(struct drm_device *dev, - struct drm_gem_object *obj, size_t size, - struct vfsmount *gemfs); void drm_gem_private_object_init(struct drm_device *dev, struct drm_gem_object *obj, size_t size); void drm_gem_private_object_fini(struct drm_gem_object *obj); diff --git a/include/drm/drm_gem_shmem_helper.h b/include/drm/drm_gem_shmem= _helper.h index 589f7bfe7506..6b6478f5ca24 100644 --- a/include/drm/drm_gem_shmem_helper.h +++ b/include/drm/drm_gem_shmem_helper.h @@ -109,9 +109,6 @@ struct drm_gem_shmem_object { =20 int drm_gem_shmem_init(struct drm_device *dev, struct drm_gem_shmem_object= *shmem, size_t size); struct drm_gem_shmem_object *drm_gem_shmem_create(struct drm_device *dev, = size_t size); -struct drm_gem_shmem_object *drm_gem_shmem_create_with_mnt(struct drm_devi= ce *dev, - size_t size, - struct vfsmount *gemfs); void drm_gem_shmem_release(struct drm_gem_shmem_object *shmem); void drm_gem_shmem_free(struct drm_gem_shmem_object *shmem); =20 --=20 2.47.3