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.

Link: https://lkml.kernel.org/r/20240306223714.320681-4-npache@redhat.com
Signed-off-by: Nico Pache <npache@redhat.com>
Cc: Ben Hutchings <ben@decadent.org.uk>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Muhammad Usama Anjum <usama.anjum@collabora.com>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/tools/testing/selftests/mm/hugetlb-madvise.c b/tools/testing/selftests/mm/hugetlb-madvise.c
index f32d99565c5eaa96f6a16aafc45a10f118652026..e74107185324fb8dfd768cba25218ab469612fec 100644 (file)
--- 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);