144 	struct drm_mm_node *node, *best;  in drm_vma_offset_lookup_locked()  local
152 		node = rb_entry(iter, struct drm_mm_node, rb);  in drm_vma_offset_lookup_locked()
153 		offset = node->start;  in drm_vma_offset_lookup_locked()
156 			best = node;  in drm_vma_offset_lookup_locked()
202 		       struct drm_vma_offset_node *node, unsigned long pages)  in drm_vma_offset_add()  argument
208 	if (!drm_mm_node_allocated(&node->vm_node))  in drm_vma_offset_add()
210 					 &node->vm_node, pages);  in drm_vma_offset_add()
230 			   struct drm_vma_offset_node *node)  in drm_vma_offset_remove()  argument
234 	if (drm_mm_node_allocated(&node->vm_node)) {  in drm_vma_offset_remove()
235 		drm_mm_remove_node(&node->vm_node);  in drm_vma_offset_remove()
236 		memset(&node->vm_node, 0, sizeof(node->vm_node));  in drm_vma_offset_remove()
243 static int vma_node_allow(struct drm_vma_offset_node *node,  in vma_node_allow()  argument
257 	write_lock(&node->vm_lock);  in vma_node_allow()
259 	iter = &node->vm_files.rb_node;  in vma_node_allow()
284 	rb_insert_color(&new->vm_rb, &node->vm_files);  in vma_node_allow()
288 	write_unlock(&node->vm_lock);  in vma_node_allow()
313 int drm_vma_node_allow(struct drm_vma_offset_node *node, struct drm_file *tag)  in drm_vma_node_allow()  argument
315 	return vma_node_allow(node, tag, true);  in drm_vma_node_allow()
338 int drm_vma_node_allow_once(struct drm_vma_offset_node *node, struct drm_file *tag)  in drm_vma_node_allow_once()  argument
340 	return vma_node_allow(node, tag, false);  in drm_vma_node_allow_once()
357 void drm_vma_node_revoke(struct drm_vma_offset_node *node,  in drm_vma_node_revoke()  argument
363 	write_lock(&node->vm_lock);  in drm_vma_node_revoke()
365 	iter = node->vm_files.rb_node;  in drm_vma_node_revoke()
370 				rb_erase(&entry->vm_rb, &node->vm_files);  in drm_vma_node_revoke()
381 	write_unlock(&node->vm_lock);  in drm_vma_node_revoke()
398 bool drm_vma_node_is_allowed(struct drm_vma_offset_node *node,  in drm_vma_node_is_allowed()  argument
404 	read_lock(&node->vm_lock);  in drm_vma_node_is_allowed()
406 	iter = node->vm_files.rb_node;  in drm_vma_node_is_allowed()
417 	read_unlock(&node->vm_lock);  in drm_vma_node_is_allowed()