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

Signed-off-by: Cong Wang <amwang@redhat.com>
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index fd9a872..32aa691 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -260,10 +260,10 @@
 	struct nfs_cache_array *array;
 	int i;
 
-	array = kmap_atomic(page, KM_USER0);
+	array = kmap_atomic(page);
 	for (i = 0; i < array->size; i++)
 		kfree(array->array[i].string.name);
-	kunmap_atomic(array, KM_USER0);
+	kunmap_atomic(array);
 }
 
 /*
@@ -1870,11 +1870,11 @@
 	if (!page)
 		return -ENOMEM;
 
-	kaddr = kmap_atomic(page, KM_USER0);
+	kaddr = kmap_atomic(page);
 	memcpy(kaddr, symname, pathlen);
 	if (pathlen < PAGE_SIZE)
 		memset(kaddr + pathlen, 0, PAGE_SIZE - pathlen);
-	kunmap_atomic(kaddr, KM_USER0);
+	kunmap_atomic(kaddr);
 
 	error = NFS_PROTO(dir)->symlink(dir, dentry, page, pathlen, &attr);
 	if (error != 0) {