1 files changed, 14 insertions, 0 deletions

diff --git a/drivers/base/node.c b/drivers/base/node.c
index ee53558b452f..ce012a9c6201 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 */