diff options
| -rw-r--r-- | drivers/base/node.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/base/node.c b/drivers/base/node.c index ee53558b452..ce012a9c620 100644 --- a/drivers/base/node.c +++ b/drivers/base/node.c @@ -160,6 +160,18 @@ static ssize_t node_read_numastat(struct sys_device * dev, } static SYSDEV_ATTR(numastat, S_IRUGO, node_read_numastat, NULL); +static ssize_t node_read_vmstat(struct sys_device *dev, + struct sysdev_attribute *attr, char *buf) +{ + int nid = dev->id; + return sprintf(buf, + "nr_written %lu\n" + "nr_dirtied %lu\n", + node_page_state(nid, NR_WRITTEN), + node_page_state(nid, NR_DIRTIED)); +} +static SYSDEV_ATTR(vmstat, S_IRUGO, node_read_vmstat, NULL); + static ssize_t node_read_distance(struct sys_device * dev, struct sysdev_attribute *attr, char * buf) { @@ -243,6 +255,7 @@ int register_node(struct node *node, int num, struct node *parent) sysdev_create_file(&node->sysdev, &attr_meminfo); sysdev_create_file(&node->sysdev, &attr_numastat); sysdev_create_file(&node->sysdev, &attr_distance); + sysdev_create_file(&node->sysdev, &attr_vmstat); scan_unevictable_register_node(node); @@ -267,6 +280,7 @@ void unregister_node(struct node *node) sysdev_remove_file(&node->sysdev, &attr_meminfo); sysdev_remove_file(&node->sysdev, &attr_numastat); sysdev_remove_file(&node->sysdev, &attr_distance); + sysdev_remove_file(&node->sysdev, &attr_vmstat); scan_unevictable_unregister_node(node); hugetlb_unregister_node(node); /* no-op, if memoryless node */ |