BUG_ON((size & (PAGE_SIZE - 1)) != 0);
obj = kzalloc(sizeof(*obj), GFP_KERNEL);
+ if (!obj)
+ goto free;
obj->dev = dev;
obj->filp = shmem_file_setup("drm mm object", size, VM_NORESERVE);
- if (IS_ERR(obj->filp)) {
- kfree(obj);
- return NULL;
- }
+ 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;
if (dev->driver->gem_init_object != NULL &&
dev->driver->gem_init_object(obj) != 0) {
- fput(obj->filp);
- kfree(obj);
- return NULL;
+ goto fput;
}
atomic_inc(&dev->object_count);
atomic_add(obj->size, &dev->object_memory);
return obj;
+fput:
+ fput(obj->filp);
+free:
+ kfree(obj);
+ return NULL;
}
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;
int
drm_gem_handle_create(struct drm_file *file_priv,
struct drm_gem_object *obj,
- int *handlep)
+ u32 *handlep)
{
int ret;
/* 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;
/** 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;
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;
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