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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-26 17:15:20 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-26 17:15:20 -0700
commit31453a9764f7e2a72a6e2c502ace586e2663a68c (patch)
tree5d4db63de5b4b85d1ffdab4e95a75175a784a10a /drivers/base/node.c
parentf9ba5375a8aae4aeea6be15df77e24707a429812 (diff)
parent93ed0e2d07b25aff4db1d61bfbcd1e82074c0ad5 (diff)
Merge branch 'akpm-incoming-1'
* akpm-incoming-1: (176 commits) scripts/checkpatch.pl: add check for declaration of pci_device_id scripts/checkpatch.pl: add warnings for static char that could be static const char checkpatch: version 0.31 checkpatch: statement/block context analyser should look at sanitised lines checkpatch: handle EXPORT_SYMBOL for DEVICE_ATTR and similar checkpatch: clean up structure definition macro handline checkpatch: update copyright dates checkpatch: Add additional attribute #defines checkpatch: check for incorrect permissions checkpatch: ensure kconfig help checks only apply when we are adding help checkpatch: simplify and consolidate "missing space after" checks checkpatch: add check for space after struct, union, and enum checkpatch: returning errno typically should be negative checkpatch: handle casts better fixing false categorisation of : as binary checkpatch: ensure we do not collapse bracketed sections into constants checkpatch: suggest cleanpatch and cleanfile when appropriate checkpatch: types may sit on a line on their own checkpatch: fix regressions in "fix handling of leading spaces" div64_u64(): improve precision on 32bit platforms lib/parser: cleanup match_number() ...
Diffstat (limited to 'drivers/base/node.c')
-rw-r--r--drivers/base/node.c14
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 */