diff options
| author | Andi Kleen <andi@firstfloor.org> | 2010-01-05 12:48:04 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-03-07 17:04:47 -0800 |
| commit | 3701cde6e35245e26f63252f46c62e8a790fa996 (patch) | |
| tree | f4fde55198c52db97f46286a41275d66c081e29c /drivers/base | |
| parent | e1a7e29a266ba3313a873d302b352521403bd155 (diff) | |
| download | lwn-3701cde6e35245e26f63252f46c62e8a790fa996.tar.gz lwn-3701cde6e35245e26f63252f46c62e8a790fa996.zip | |
sysdev: Use sysdev_class attribute arrays in node driver
Convert the node driver to sysdev_class attribute arrays. This
greatly cleans up the code and remove a lot of code.
Saves ~150 bytes of code on x86-64.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/base')
| -rw-r--r-- | drivers/base/node.c | 31 |
1 files changed, 16 insertions, 15 deletions
diff --git a/drivers/base/node.c b/drivers/base/node.c index aa8bc4bff4f6..ad43185ec15a 100644 --- a/drivers/base/node.c +++ b/drivers/base/node.c @@ -16,8 +16,11 @@ #include <linux/device.h> #include <linux/swap.h> +static struct sysdev_class_attribute *node_state_attrs[]; + static struct sysdev_class node_class = { .name = "node", + .attrs = node_state_attrs, }; @@ -569,29 +572,27 @@ static struct node_attr node_state_attr[] = { #endif }; -static int node_states_init(void) -{ - int i; - int err = 0; - - BUILD_BUG_ON(ARRAY_SIZE(node_state_attr) != NR_NODE_STATES); - for (i = 0; i < NR_NODE_STATES; i++) { - int ret; - ret = sysdev_class_create_file(&node_class, &node_state_attr[i].attr); - if (!err) - err = ret; - } - return err; -} +static struct sysdev_class_attribute *node_state_attrs[] = { + &node_state_attr[0].attr, + &node_state_attr[1].attr, + &node_state_attr[2].attr, + &node_state_attr[3].attr, +#ifdef CONFIG_HIGHMEM + &node_state_attr[4].attr, +#endif + NULL +}; #define NODE_CALLBACK_PRI 2 /* lower than SLAB */ static int __init register_node_type(void) { int ret; + BUILD_BUG_ON(ARRAY_SIZE(node_state_attr) != NR_NODE_STATES); + BUILD_BUG_ON(ARRAY_SIZE(node_state_attrs)-1 != NR_NODE_STATES); + ret = sysdev_class_register(&node_class); if (!ret) { - ret = node_states_init(); hotplug_memory_notifier(node_memory_callback, NODE_CALLBACK_PRI); } |