#include <linux/init.h>
#include <linux/mm.h>
#include <linux/node.h>
+#include <linux/hugetlb.h>
#include <linux/cpumask.h>
#include <linux/topology.h>
+#include <linux/nodemask.h>
static struct sysdev_class node_class = {
set_kset_name("node"),
static ssize_t node_read_cpumap(struct sys_device * dev, char * buf)
{
struct node *node_dev = to_node(dev);
- cpumask_t mask = node_dev->cpumap;
+ cpumask_t mask = node_to_cpumask(node_dev->sysdev.id);
int len;
/* 2004/06/03: buf currently PAGE_SIZE, need > 1 char per 4 bits. */
- BUILD_BUG_ON(NR_CPUS/4 > PAGE_SIZE/2);
+ BUILD_BUG_ON(MAX_NUMNODES/4 > PAGE_SIZE/2);
len = cpumask_scnprintf(buf, PAGE_SIZE-1, mask);
len += sprintf(buf + len, "\n");
return len;
}
-static SYSDEV_ATTR(cpumap,S_IRUGO,node_read_cpumap,NULL);
-
-/* Can be overwritten by architecture specific code. */
-int __attribute__((weak)) hugetlb_report_node_meminfo(int node, char *buf)
-{
- return 0;
-}
+static SYSDEV_ATTR(cpumap, S_IRUGO, node_read_cpumap, NULL);
#define K(x) ((x) << (PAGE_SHIFT - 10))
static ssize_t node_read_meminfo(struct sys_device * dev, char * buf)
int n;
int nid = dev->id;
struct sysinfo i;
+ unsigned long inactive;
+ unsigned long active;
+ unsigned long free;
+
si_meminfo_node(&i, nid);
+ __get_zone_counts(&active, &inactive, &free, NODE_DATA(nid));
+
n = sprintf(buf, "\n"
"Node %d MemTotal: %8lu kB\n"
"Node %d MemFree: %8lu kB\n"
"Node %d MemUsed: %8lu kB\n"
+ "Node %d Active: %8lu kB\n"
+ "Node %d Inactive: %8lu kB\n"
"Node %d HighTotal: %8lu kB\n"
"Node %d HighFree: %8lu kB\n"
"Node %d LowTotal: %8lu kB\n"
"Node %d LowFree: %8lu kB\n",
nid, K(i.totalram),
nid, K(i.freeram),
- nid, K(i.totalram-i.freeram),
+ nid, K(i.totalram - i.freeram),
+ nid, K(active),
+ nid, K(inactive),
nid, K(i.totalhigh),
nid, K(i.freehigh),
- nid, K(i.totalram-i.totalhigh),
- nid, K(i.freeram-i.freehigh));
+ nid, K(i.totalram - i.totalhigh),
+ nid, K(i.freeram - i.freehigh));
n += hugetlb_report_node_meminfo(nid, buf + n);
return n;
}
-#undef K
-static SYSDEV_ATTR(meminfo,S_IRUGO,node_read_meminfo,NULL);
+#undef K
+static SYSDEV_ATTR(meminfo, S_IRUGO, node_read_meminfo, NULL);
static ssize_t node_read_numastat(struct sys_device * dev, char * buf)
{
local_node,
other_node);
}
-static SYSDEV_ATTR(numastat,S_IRUGO,node_read_numastat,NULL);
+static SYSDEV_ATTR(numastat, S_IRUGO, node_read_numastat, NULL);
+
+static ssize_t node_read_distance(struct sys_device * dev, char * buf)
+{
+ int nid = dev->id;
+ int len = 0;
+ int i;
+
+ /* buf currently PAGE_SIZE, need ~4 chars per node */
+ BUILD_BUG_ON(MAX_NUMNODES*4 > PAGE_SIZE/2);
+
+ for_each_online_node(i)
+ len += sprintf(buf + len, "%s%d", i ? " " : "", node_distance(nid, i));
+
+ len += sprintf(buf + len, "\n");
+ return len;
+}
+static SYSDEV_ATTR(distance, S_IRUGO, node_read_distance, NULL);
+
/*
* register_node - Setup a driverfs device for a node.
{
int error;
- node->cpumap = node_to_cpumask(num);
node->sysdev.id = num;
node->sysdev.cls = &node_class;
error = sysdev_register(&node->sysdev);
sysdev_create_file(&node->sysdev, &attr_cpumap);
sysdev_create_file(&node->sysdev, &attr_meminfo);
sysdev_create_file(&node->sysdev, &attr_numastat);
+ sysdev_create_file(&node->sysdev, &attr_distance);
}
return error;
}