[PATCH] mm: zswap: clean up confusing comment

[Randy Dunlap]

Correct wording and change one duplicated word (it) to "it is".

Fixes: 0ab0abcf5115 ("mm/zswap: refactor the get/put routines")
Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Cc: Weijie Yang <weijie.yang@xxxxxxxxxxx>
Cc: Seth Jennings <sjennings@xxxxxxxxxxxxxx>
Cc: Seth Jennings <sjenning@xxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Dan Streetman <ddstreet@xxxxxxxx>
Cc: Vitaly Wool <vitaly.wool@xxxxxxxxxxxx>
Cc: linux-mm@xxxxxxxxx
---
 mm/zswap.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

--- linux-next-20201218.orig/mm/zswap.c
+++ linux-next-20201218/mm/zswap.c
@@ -1022,10 +1022,10 @@ static int zswap_writeback_entry(struct
 
 	/*
 	* if we get here due to ZSWAP_SWAPCACHE_EXIST
-	* a load may happening concurrently
-	* it is safe and okay to not free the entry
+	* a load may be happening concurrently.
+	* it is safe and okay to not free the entry.
 	* if we free the entry in the following put
-	* it it either okay to return !0
+	* it is also okay to return !0
 	*/
 fail:
 	spin_lock(&tree->lock);