diff options
| -rw-r--r-- | drivers/base/node.c | 20 | ||||
| -rw-r--r-- | include/linux/node.h | 1 |
2 files changed, 19 insertions, 2 deletions
diff --git a/drivers/base/node.c b/drivers/base/node.c index 583d57ec49a8..5d4517ccc422 100644 --- a/drivers/base/node.c +++ b/drivers/base/node.c @@ -136,7 +136,7 @@ static SYSDEV_ATTR(distance, S_IRUGO, node_read_distance, NULL); * * Initialize and register the node device. */ -int __init register_node(struct node *node, int num, struct node *parent) +int register_node(struct node *node, int num, struct node *parent) { int error; @@ -153,8 +153,24 @@ int __init register_node(struct node *node, int num, struct node *parent) return error; } +/** + * unregister_node - unregister a node device + * @node: node going away + * + * Unregisters a node device @node. All the devices on the node must be + * unregistered before calling this function. + */ +void unregister_node(struct node *node) +{ + sysdev_remove_file(&node->sysdev, &attr_cpumap); + sysdev_remove_file(&node->sysdev, &attr_meminfo); + sysdev_remove_file(&node->sysdev, &attr_numastat); + sysdev_remove_file(&node->sysdev, &attr_distance); + + sysdev_unregister(&node->sysdev); +} -int __init register_node_type(void) +static int __init register_node_type(void) { return sysdev_class_register(&node_class); } diff --git a/include/linux/node.h b/include/linux/node.h index 6e0a697e594e..254dc3de650b 100644 --- a/include/linux/node.h +++ b/include/linux/node.h @@ -27,6 +27,7 @@ struct node { }; extern int register_node(struct node *, int, struct node *); +extern void unregister_node(struct node *node); #define to_node(sys_device) container_of(sys_device, struct node, sysdev) |