diff options
Diffstat (limited to 'drivers/gpu/drm/drm_gem.c')
| -rw-r--r-- | drivers/gpu/drm/drm_gem.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c index ffe8f4394d50..80391995bdec 100644 --- a/drivers/gpu/drm/drm_gem.c +++ b/drivers/gpu/drm/drm_gem.c @@ -142,6 +142,19 @@ drm_gem_object_alloc(struct drm_device *dev, size_t size) if (IS_ERR(obj->filp)) goto free; + /* Basically we want to disable the OOM killer and handle ENOMEM + * ourselves by sacrificing pages from cached buffers. + * XXX shmem_file_[gs]et_gfp_mask() + */ + mapping_set_gfp_mask(obj->filp->f_path.dentry->d_inode->i_mapping, + GFP_HIGHUSER | + __GFP_COLD | + __GFP_FS | + __GFP_RECLAIMABLE | + __GFP_NORETRY | + __GFP_NOWARN | + __GFP_NOMEMALLOC); + kref_init(&obj->refcount); kref_init(&obj->handlecount); obj->size = size; @@ -164,7 +177,7 @@ EXPORT_SYMBOL(drm_gem_object_alloc); * Removes the mapping from handle to filp for this object. */ static int -drm_gem_handle_delete(struct drm_file *filp, int handle) +drm_gem_handle_delete(struct drm_file *filp, u32 handle) { struct drm_device *dev; struct drm_gem_object *obj; @@ -207,7 +220,7 @@ drm_gem_handle_delete(struct drm_file *filp, int handle) int drm_gem_handle_create(struct drm_file *file_priv, struct drm_gem_object *obj, - int *handlep) + u32 *handlep) { int ret; @@ -221,7 +234,7 @@ again: /* do the allocation under our spinlock */ spin_lock(&file_priv->table_lock); - ret = idr_get_new_above(&file_priv->object_idr, obj, 1, handlep); + ret = idr_get_new_above(&file_priv->object_idr, obj, 1, (int *)handlep); spin_unlock(&file_priv->table_lock); if (ret == -EAGAIN) goto again; @@ -237,7 +250,7 @@ EXPORT_SYMBOL(drm_gem_handle_create); /** Returns a reference to the object named by the handle. */ struct drm_gem_object * drm_gem_object_lookup(struct drm_device *dev, struct drm_file *filp, - int handle) + u32 handle) { struct drm_gem_object *obj; @@ -344,7 +357,7 @@ drm_gem_open_ioctl(struct drm_device *dev, void *data, struct drm_gem_open *args = data; struct drm_gem_object *obj; int ret; - int handle; + u32 handle; if (!(dev->driver->driver_features & DRIVER_GEM)) return -ENODEV; @@ -539,7 +552,6 @@ int drm_gem_mmap(struct file *filp, struct vm_area_struct *vma) vma->vm_flags |= VM_RESERVED | VM_IO | VM_PFNMAP | VM_DONTEXPAND; vma->vm_ops = obj->dev->driver->gem_vm_ops; vma->vm_private_data = map->handle; - /* FIXME: use pgprot_writecombine when available */ vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot); /* Take a ref for this mapping of the object, so that the fault |