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Diffstat (limited to 'drivers/base/node.c')
-rw-r--r--drivers/base/node.c71
1 files changed, 44 insertions, 27 deletions
diff --git a/drivers/base/node.c b/drivers/base/node.c
index 4a4ae868ad9f..be16bbff11cc 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -26,43 +26,47 @@ static struct bus_type node_subsys = {
.dev_name = "node",
};
-
-static ssize_t node_read_cpumap(struct device *dev, bool list, char *buf)
+static inline ssize_t cpumap_read(struct file *file, struct kobject *kobj,
+ struct bin_attribute *attr, char *buf,
+ loff_t off, size_t count)
{
- ssize_t n;
- cpumask_var_t mask;
+ struct device *dev = kobj_to_dev(kobj);
struct node *node_dev = to_node(dev);
-
- /* 2008/04/07: buf currently PAGE_SIZE, need 9 chars per 32 bits. */
- BUILD_BUG_ON((NR_CPUS/32 * 9) > (PAGE_SIZE-1));
+ cpumask_var_t mask;
+ ssize_t n;
if (!alloc_cpumask_var(&mask, GFP_KERNEL))
return 0;
cpumask_and(mask, cpumask_of_node(node_dev->dev.id), cpu_online_mask);
- n = cpumap_print_to_pagebuf(list, buf, mask);
+ n = cpumap_print_bitmask_to_buf(buf, mask, off, count);
free_cpumask_var(mask);
return n;
}
-static inline ssize_t cpumap_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
+static BIN_ATTR_RO(cpumap, 0);
+
+static inline ssize_t cpulist_read(struct file *file, struct kobject *kobj,
+ struct bin_attribute *attr, char *buf,
+ loff_t off, size_t count)
{
- return node_read_cpumap(dev, false, buf);
-}
+ struct device *dev = kobj_to_dev(kobj);
+ struct node *node_dev = to_node(dev);
+ cpumask_var_t mask;
+ ssize_t n;
+
+ if (!alloc_cpumask_var(&mask, GFP_KERNEL))
+ return 0;
-static DEVICE_ATTR_RO(cpumap);
+ cpumask_and(mask, cpumask_of_node(node_dev->dev.id), cpu_online_mask);
+ n = cpumap_print_list_to_buf(buf, mask, off, count);
+ free_cpumask_var(mask);
-static inline ssize_t cpulist_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- return node_read_cpumap(dev, true, buf);
+ return n;
}
-static DEVICE_ATTR_RO(cpulist);
+static BIN_ATTR_RO(cpulist, 0);
/**
* struct node_access_nodes - Access class device to hold user visible
@@ -75,7 +79,7 @@ static DEVICE_ATTR_RO(cpulist);
struct node_access_nodes {
struct device dev;
struct list_head list_node;
- unsigned access;
+ unsigned int access;
#ifdef CONFIG_HMEM_REPORTING
struct node_hmem_attrs hmem_attrs;
#endif
@@ -122,7 +126,7 @@ static void node_access_release(struct device *dev)
}
static struct node_access_nodes *node_init_node_access(struct node *node,
- unsigned access)
+ unsigned int access)
{
struct node_access_nodes *access_node;
struct device *dev;
@@ -187,7 +191,7 @@ static struct attribute *access_attrs[] = {
* @access: The access class the for the given attributes
*/
void node_set_perf_attrs(unsigned int nid, struct node_hmem_attrs *hmem_attrs,
- unsigned access)
+ unsigned int access)
{
struct node_access_nodes *c;
struct node *node;
@@ -557,15 +561,28 @@ static ssize_t node_read_distance(struct device *dev,
static DEVICE_ATTR(distance, 0444, node_read_distance, NULL);
static struct attribute *node_dev_attrs[] = {
- &dev_attr_cpumap.attr,
- &dev_attr_cpulist.attr,
&dev_attr_meminfo.attr,
&dev_attr_numastat.attr,
&dev_attr_distance.attr,
&dev_attr_vmstat.attr,
NULL
};
-ATTRIBUTE_GROUPS(node_dev);
+
+static struct bin_attribute *node_dev_bin_attrs[] = {
+ &bin_attr_cpumap,
+ &bin_attr_cpulist,
+ NULL
+};
+
+static const struct attribute_group node_dev_group = {
+ .attrs = node_dev_attrs,
+ .bin_attrs = node_dev_bin_attrs
+};
+
+static const struct attribute_group *node_dev_groups[] = {
+ &node_dev_group,
+ NULL
+};
#ifdef CONFIG_HUGETLBFS
/*
@@ -711,7 +728,7 @@ int register_cpu_under_node(unsigned int cpu, unsigned int nid)
*/
int register_memory_node_under_compute_node(unsigned int mem_nid,
unsigned int cpu_nid,
- unsigned access)
+ unsigned int access)
{
struct node *init_node, *targ_node;
struct node_access_nodes *initiator, *target;