1 files changed, 2 insertions, 2 deletions

diff --git a/include/linux/pid.h b/include/linux/pid.h
index efceda0a51b1..cdced84261d7 100644
--- a/include/linux/pid.h
+++ b/include/linux/pid.h
@@ -21,7 +21,7 @@ enum pid_type
  * quickly from the numeric pid value.  The attached processes may be
  * quickly accessed by following pointers from struct pid.
  *
- * Storing pid_t values in the kernel and refering to them later has a
+ * Storing pid_t values in the kernel and referring to them later has a
  * problem.  The process originally with that pid may have exited and the
  * pid allocator wrapped, and another process could have come along
  * and been assigned that pid.
@@ -117,7 +117,7 @@ extern struct pid *find_vpid(int nr);
  */
 extern struct pid *find_get_pid(int nr);
 extern struct pid *find_ge_pid(int nr, struct pid_namespace *);
-int next_pidmap(struct pid_namespace *pid_ns, int last);
+int next_pidmap(struct pid_namespace *pid_ns, unsigned int last);
 
 extern struct pid *alloc_pid(struct pid_namespace *ns);
 extern void free_pid(struct pid *pid);