sysfs: Fixup NUMA sysfs file.

- Remove count and off parameters from per-node meminfo show() method.

drivers/base/node.c

@@ -36,13 +36,13 @@ static ssize_t node_read_cpumap(struct device * dev, char * buf, size_t count, l
 static DEVICE_ATTR(cpumap,S_IRUGO,node_read_cpumap,NULL);
 
 #define K(x) ((x) << (PAGE_SHIFT - 10))
-static ssize_t node_read_meminfo(struct device * dev, char * buf, size_t count, loff_t off)
+static ssize_t node_read_meminfo(struct device * dev, char * buf)
 {
 	struct sys_root *node = to_root(dev);
 	int nid = node->id;
 	struct sysinfo i;
 	si_meminfo_node(&i, nid);
-	return off ? 0 : sprintf(buf, "\n"
+	return sprintf(buf, "\n"
 		       "Node %d MemTotal:     %8lu kB\n"
 		       "Node %d MemFree:      %8lu kB\n"
 		       "Node %d MemUsed:      %8lu kB\n"
@@ -57,8 +57,6 @@ static ssize_t node_read_meminfo(struct device * dev, char * buf, size_t count,
 		       nid, K(i.freehigh),
 		       nid, K(i.totalram-i.totalhigh),
 		       nid, K(i.freeram-i.freehigh));
-
-	return 0;
 }
 #undef K 
 static DEVICE_ATTR(meminfo,S_IRUGO,node_read_meminfo,NULL);