diff options
| -rw-r--r-- | drivers/base/node.c | 65 |
1 files changed, 18 insertions, 47 deletions
diff --git a/drivers/base/node.c b/drivers/base/node.c index 85c9d30d7004..aa8bc4bff4f6 100644 --- a/drivers/base/node.c +++ b/drivers/base/node.c @@ -544,59 +544,29 @@ static ssize_t print_nodes_state(enum node_states state, char *buf) return n; } -static ssize_t print_nodes_possible(struct sysdev_class *class, - struct sysdev_class_attribute *attr, char *buf) -{ - return print_nodes_state(N_POSSIBLE, buf); -} - -static ssize_t print_nodes_online(struct sysdev_class *class, - struct sysdev_class_attribute *attr, - char *buf) -{ - return print_nodes_state(N_ONLINE, buf); -} - -static ssize_t print_nodes_has_normal_memory(struct sysdev_class *class, - struct sysdev_class_attribute *attr, - char *buf) -{ - return print_nodes_state(N_NORMAL_MEMORY, buf); -} - -static ssize_t print_nodes_has_cpu(struct sysdev_class *class, - struct sysdev_class_attribute *attr, - char *buf) -{ - return print_nodes_state(N_CPU, buf); -} - -static SYSDEV_CLASS_ATTR(possible, 0444, print_nodes_possible, NULL); -static SYSDEV_CLASS_ATTR(online, 0444, print_nodes_online, NULL); -static SYSDEV_CLASS_ATTR(has_normal_memory, 0444, print_nodes_has_normal_memory, - NULL); -static SYSDEV_CLASS_ATTR(has_cpu, 0444, print_nodes_has_cpu, NULL); +struct node_attr { + struct sysdev_class_attribute attr; + enum node_states state; +}; -#ifdef CONFIG_HIGHMEM -static ssize_t print_nodes_has_high_memory(struct sysdev_class *class, - struct sysdev_class_attribute *attr, - char *buf) +static ssize_t show_node_state(struct sysdev_class *class, + struct sysdev_class_attribute *attr, char *buf) { - return print_nodes_state(N_HIGH_MEMORY, buf); + struct node_attr *na = container_of(attr, struct node_attr, attr); + return print_nodes_state(na->state, buf); } -static SYSDEV_CLASS_ATTR(has_high_memory, 0444, print_nodes_has_high_memory, - NULL); -#endif +#define _NODE_ATTR(name, state) \ + { _SYSDEV_CLASS_ATTR(name, 0444, show_node_state, NULL), state } -struct sysdev_class_attribute *node_state_attr[] = { - &attr_possible, - &attr_online, - &attr_has_normal_memory, +static struct node_attr node_state_attr[] = { + _NODE_ATTR(possible, N_POSSIBLE), + _NODE_ATTR(online, N_ONLINE), + _NODE_ATTR(has_normal_memory, N_NORMAL_MEMORY), + _NODE_ATTR(has_cpu, N_CPU), #ifdef CONFIG_HIGHMEM - &attr_has_high_memory, + _NODE_ATTR(has_high_memory, N_HIGH_MEMORY), #endif - &attr_has_cpu, }; static int node_states_init(void) @@ -604,9 +574,10 @@ 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]); + ret = sysdev_class_create_file(&node_class, &node_state_attr[i].attr); if (!err) err = ret; } |