[PATCH] mm/rmap.c: fix comment

[Figo.zhang]

clean up comment. 

Signed-off-by: Figo.zhang <figo1802@xxxxxxxxx>
---
mm/rmap.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/mm/rmap.c b/mm/rmap.c
index 92e6757..479540d 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -94,7 +94,7 @@ void anon_vma_chain_free(struct anon_vma_chain *anon_vma_chain)
  * anonymous pages mapped into it with that anon_vma.
  *
  * The common case will be that we already have one, but if
- * if not we either need to find an adjacent mapping that we
+ * not we either need to find an adjacent mapping that we
  * can re-use the anon_vma from (very common when the only
  * reason for splitting a vma has been mprotect()), or we
  * allocate a new one.


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