spelling fixes: mm/

Spelling fixes in mm/.

Signed-off-by: Simon Arlott <simon@fire.lp0.eu>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
diff --git a/mm/vmscan.c b/mm/vmscan.c
index cb474cc..e5a9597 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -141,7 +141,7 @@
  * percentages of the lru and ageable caches.  This should balance the seeks
  * generated by these structures.
  *
- * If the vm encounted mapped pages on the LRU it increase the pressure on
+ * If the vm encountered mapped pages on the LRU it increase the pressure on
  * slab to avoid swapping.
  *
  * We do weird things to avoid (scanned*seeks*entries) overflowing 32 bits.