linux-kernel - [PATCH v2 3/3] selftests/mm: Skip the hugetlb-madvise tests on unmet hugepage requirements

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Date: Wed,  6 Mar 2024 15:37:14 -0700
From: Nico Pache <npache@...hat.com>
To: linux-mm@...ck.org,
	linux-kselftest@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: ben@...adent.org.uk,
	shuah@...nel.org,
	akpm@...ux-foundation.org,
	usama.anjum@...labora.com
Subject: [PATCH v2 3/3] selftests/mm: Skip the hugetlb-madvise tests on unmet hugepage requirements

Now that run_vmtests.sh does not guarantee that the correct hugepage
count is available, skip the hugetlb-madvise test if the requirements
are not met rather than failing.

Signed-off-by: Nico Pache <npache@...hat.com>
---
 tools/testing/selftests/mm/hugetlb-madvise.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/mm/hugetlb-madvise.c b/tools/testing/selftests/mm/hugetlb-madvise.c
index f32d99565c5ea..e74107185324f 100644
--- a/tools/testing/selftests/mm/hugetlb-madvise.c
+++ b/tools/testing/selftests/mm/hugetlb-madvise.c
@@ -19,6 +19,7 @@
 #include <sys/mman.h>
 #include <fcntl.h>
 #include "vm_util.h"
+#include "../kselftest.h"
 
 #define MIN_FREE_PAGES	20
 #define NR_HUGE_PAGES	10	/* common number of pages to map/allocate */
@@ -78,7 +79,7 @@ int main(int argc, char **argv)
 	free_hugepages = get_free_hugepages();
 	if (free_hugepages < MIN_FREE_PAGES) {
 		printf("Not enough free huge pages to test, exiting!\n");
-		exit(1);
+		exit(KSFT_SKIP);
 	}
 
 	fd = memfd_create(argv[0], MFD_HUGETLB);
-- 
2.44.0