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

Signed-off-by: Cong Wang <amwang@redhat.com>
diff --git a/net/sunrpc/auth_gss/gss_krb5_wrap.c b/net/sunrpc/auth_gss/gss_krb5_wrap.c
index 2763e3e..38f388c 100644
--- a/net/sunrpc/auth_gss/gss_krb5_wrap.c
+++ b/net/sunrpc/auth_gss/gss_krb5_wrap.c
@@ -82,9 +82,9 @@
 					>>PAGE_CACHE_SHIFT;
 		unsigned int offset = (buf->page_base + len - 1)
 					& (PAGE_CACHE_SIZE - 1);
-		ptr = kmap_atomic(buf->pages[last], KM_USER0);
+		ptr = kmap_atomic(buf->pages[last]);
 		pad = *(ptr + offset);
-		kunmap_atomic(ptr, KM_USER0);
+		kunmap_atomic(ptr);
 		goto out;
 	} else
 		len -= buf->page_len;