crypto: remove the second argument of k[un]map_atomic()

Signed-off-by: Cong Wang <amwang@redhat.com>
diff --git a/crypto/ahash.c b/crypto/ahash.c
index ac93c99..33bc9b6 100644
--- a/crypto/ahash.c
+++ b/crypto/ahash.c
@@ -46,7 +46,7 @@
 	unsigned int nbytes = min(walk->entrylen,
 				  ((unsigned int)(PAGE_SIZE)) - offset);
 
-	walk->data = crypto_kmap(walk->pg, 0);
+	walk->data = kmap_atomic(walk->pg);
 	walk->data += offset;
 
 	if (offset & alignmask) {
@@ -93,7 +93,7 @@
 		return nbytes;
 	}
 
-	crypto_kunmap(walk->data, 0);
+	kunmap_atomic(walk->data);
 	crypto_yield(walk->flags);
 
 	if (err)