Thank you for the review, I have added the changelog as requested.

Changelog:
- Added missing newline to the `ksft_print_msg` in `test_zswap_writeback` function.

Signed-off-by: Mohammed Anees <pvmohammedanees2003@gmail.com>
---
 tools/testing/selftests/cgroup/test_zswap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/cgroup/test_zswap.c b/tools/testing/selftests/cgroup/test_zswap.c
index 190096017..7c849d836 100644
--- a/tools/testing/selftests/cgroup/test_zswap.c
+++ b/tools/testing/selftests/cgroup/test_zswap.c
@@ -351,7 +351,7 @@ static int test_zswap_writeback(const char *root, bool wb)
 		goto out;
 
 	if (wb != !!zswpwb_after) {
-		ksft_print_msg("zswpwb_after is %ld while wb is %s",
+		ksft_print_msg("zswpwb_after is %ld while wb is %s\n",
 				zswpwb_after, wb ? "enabled" : "disabled");
 		goto out;
 	}
-- 
2.43.0