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path: root/drivers/base/node.c
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Diffstat (limited to 'drivers/base/node.c')
-rw-r--r--drivers/base/node.c29
1 files changed, 22 insertions, 7 deletions
diff --git a/drivers/base/node.c b/drivers/base/node.c
index e59861f18ce5..12fde2d03d69 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -19,21 +19,34 @@ static struct sysdev_class node_class = {
};
-static ssize_t node_read_cpumap(struct sys_device * dev, char * buf)
+static ssize_t node_read_cpumap(struct sys_device *dev, int type, char *buf)
{
struct node *node_dev = to_node(dev);
- cpumask_t mask = node_to_cpumask(node_dev->sysdev.id);
+ node_to_cpumask_ptr(mask, node_dev->sysdev.id);
int len;
- /* 2004/06/03: buf currently PAGE_SIZE, need > 1 char per 4 bits. */
- BUILD_BUG_ON(MAX_NUMNODES/4 > PAGE_SIZE/2);
+ /* 2008/04/07: buf currently PAGE_SIZE, need 9 chars per 32 bits. */
+ BUILD_BUG_ON((NR_CPUS/32 * 9) > (PAGE_SIZE-1));
- len = cpumask_scnprintf(buf, PAGE_SIZE-1, mask);
- len += sprintf(buf + len, "\n");
+ len = type?
+ cpulist_scnprintf(buf, PAGE_SIZE-2, *mask):
+ cpumask_scnprintf(buf, PAGE_SIZE-2, *mask);
+ buf[len++] = '\n';
+ buf[len] = '\0';
return len;
}
-static SYSDEV_ATTR(cpumap, S_IRUGO, node_read_cpumap, NULL);
+static inline ssize_t node_read_cpumask(struct sys_device *dev, char *buf)
+{
+ return node_read_cpumap(dev, 0, buf);
+}
+static inline ssize_t node_read_cpulist(struct sys_device *dev, char *buf)
+{
+ return node_read_cpumap(dev, 1, buf);
+}
+
+static SYSDEV_ATTR(cpumap, S_IRUGO, node_read_cpumask, NULL);
+static SYSDEV_ATTR(cpulist, S_IRUGO, node_read_cpulist, NULL);
#define K(x) ((x) << (PAGE_SHIFT - 10))
static ssize_t node_read_meminfo(struct sys_device * dev, char * buf)
@@ -149,6 +162,7 @@ int register_node(struct node *node, int num, struct node *parent)
if (!error){
sysdev_create_file(&node->sysdev, &attr_cpumap);
+ sysdev_create_file(&node->sysdev, &attr_cpulist);
sysdev_create_file(&node->sysdev, &attr_meminfo);
sysdev_create_file(&node->sysdev, &attr_numastat);
sysdev_create_file(&node->sysdev, &attr_distance);
@@ -166,6 +180,7 @@ int register_node(struct node *node, int num, struct node *parent)
void unregister_node(struct node *node)
{
sysdev_remove_file(&node->sysdev, &attr_cpumap);
+ sysdev_remove_file(&node->sysdev, &attr_cpulist);
sysdev_remove_file(&node->sysdev, &attr_meminfo);
sysdev_remove_file(&node->sysdev, &attr_numastat);
sysdev_remove_file(&node->sysdev, &attr_distance);