diff options
Diffstat (limited to 'drivers/base/node.c')
| -rw-r--r-- | drivers/base/node.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/base/node.c b/drivers/base/node.c index ad43185ec15..057979a19ee 100644 --- a/drivers/base/node.c +++ b/drivers/base/node.c @@ -15,6 +15,7 @@ #include <linux/cpu.h> #include <linux/device.h> #include <linux/swap.h> +#include <linux/slab.h> static struct sysdev_class_attribute *node_state_attrs[]; @@ -165,8 +166,11 @@ static ssize_t node_read_distance(struct sys_device * dev, int len = 0; int i; - /* buf currently PAGE_SIZE, need ~4 chars per node */ - BUILD_BUG_ON(MAX_NUMNODES*4 > PAGE_SIZE/2); + /* + * buf is currently PAGE_SIZE in length and each node needs 4 chars + * at the most (distance + space or newline). + */ + BUILD_BUG_ON(MAX_NUMNODES * 4 > PAGE_SIZE); for_each_online_node(i) len += sprintf(buf + len, "%s%d", i ? " " : "", node_distance(nid, i)); |