From 4b45099b75832434c5113b9aed1499f8a69d13d5 Mon Sep 17 00:00:00 2001 From: Keiichiro Tokunaga Date: Sun, 8 May 2005 21:28:53 +0900 Subject: [PATCH] Driver core: unregister_node() for hotplug use This adds a generic function 'unregister_node()'. It is used to remove objects of a node going away for hotplug. All the devices on the node must be unregistered before calling this function. Signed-off-by: Keiichiro Tokunaga Signed-off-by: Greg Kroah-Hartman diff -puN drivers/base/node.c~numa_hp_base drivers/base/node.c --- drivers/base/node.c | 20 ++++++++++++++++++-- 1 file changed, 18 insertions(+), 2 deletions(-) (limited to 'drivers') 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); } -- cgit v1.2.3