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[PATCH] Driver core: unregister_node() for hotplug use

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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 <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

diff -puN drivers/base/node.c~numa_hp_base drivers/base/node.c
This commit is contained in:
Keiichiro Tokunaga 2005-05-08 21:28:53 +09:00 • committed by Greg Kroah-Hartman
commit 4b45099b75
2 changed files with 19 additions and 2 deletions
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20
drivers/base/node.c
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@ -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);
int __init register_node_type(void)
sysdev_unregister(&node->sysdev);
}
static int __init register_node_type(void)
{
return sysdev_class_register(&node_class);
}