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authorKeiichiro Tokunaga <tokunaga.keiich@jp.fujitsu.com>2005-05-08 08:28:53 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2005-06-20 18:15:29 -0400
commit4b45099b75832434c5113b9aed1499f8a69d13d5 (patch)
treedbb6cf4a3937120be0cfd6f4699926fa4689ac8d /drivers/base/node.c
parentf409661877a25d11c2495bcd879807f17c286684 (diff)
[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 <tokunaga.keiich@jp.fujitsu.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> diff -puN drivers/base/node.c~numa_hp_base drivers/base/node.c
Diffstat (limited to 'drivers/base/node.c')
-rw-r--r--drivers/base/node.c20
1 files changed, 18 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);
136 * 136 *
137 * Initialize and register the node device. 137 * Initialize and register the node device.
138 */ 138 */
139int __init register_node(struct node *node, int num, struct node *parent) 139int register_node(struct node *node, int num, struct node *parent)
140{ 140{
141 int error; 141 int error;
142 142
@@ -153,8 +153,24 @@ int __init register_node(struct node *node, int num, struct node *parent)
153 return error; 153 return error;
154} 154}
155 155
156/**
157 * unregister_node - unregister a node device
158 * @node: node going away
159 *
160 * Unregisters a node device @node. All the devices on the node must be
161 * unregistered before calling this function.
162 */
163void unregister_node(struct node *node)
164{
165 sysdev_remove_file(&node->sysdev, &attr_cpumap);
166 sysdev_remove_file(&node->sysdev, &attr_meminfo);
167 sysdev_remove_file(&node->sysdev, &attr_numastat);
168 sysdev_remove_file(&node->sysdev, &attr_distance);
169
170 sysdev_unregister(&node->sysdev);
171}
156 172
157int __init register_node_type(void) 173static int __init register_node_type(void)
158{ 174{
159 return sysdev_class_register(&node_class); 175 return sysdev_class_register(&node_class);
160} 176}