linux-kernel - [PATCH 2/2] selftests/mm: skip test if application doesn't has root privileges

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Date: Mon,  1 Jan 2024 13:36:13 +0500
From: Muhammad Usama Anjum <usama.anjum@...labora.com>
To: Andrew Morton <akpm@...ux-foundation.org>,
	Shuah Khan <shuah@...nel.org>
Cc: Muhammad Usama Anjum <usama.anjum@...labora.com>,
	kernel@...labora.com,
	linux-mm@...ck.org,
	linux-kselftest@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] selftests/mm: skip test if application doesn't has root privileges

The test depends on writing to nr_hugepages which isn't possible without
root privileges. So skip the test in this case.

Signed-off-by: Muhammad Usama Anjum <usama.anjum@...labora.com>
---
 tools/testing/selftests/mm/compaction_test.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/mm/compaction_test.c b/tools/testing/selftests/mm/compaction_test.c
index 707b0809b717..656afba02dbc 100644
--- a/tools/testing/selftests/mm/compaction_test.c
+++ b/tools/testing/selftests/mm/compaction_test.c
@@ -173,7 +173,7 @@ int main(int argc, char **argv)
 
 	ksft_print_header();
 
-	if (prereq() != 0)
+	if (prereq() || geteuid())
 		return ksft_exit_pass();
 
 	ksft_set_plan(1);
-- 
2.42.0