trivial: fix typo "kernal" -> "kernel"

Signed-off-by: Uwe Kleine-Koenig <Uwe.Kleine-Koenig@digi.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/fs/proc/nommu.c b/fs/proc/nommu.c
index b446d7a..7e14d1a 100644
--- a/fs/proc/nommu.c
+++ b/fs/proc/nommu.c
@@ -76,7 +76,7 @@
 
 /*
  * display a list of all the REGIONs the kernel knows about
- * - nommu kernals have a single flat list
+ * - nommu kernels have a single flat list
  */
 static int nommu_region_list_show(struct seq_file *m, void *_p)
 {