[PATCH v1 09/10] selftests/mm: remove READ_ONLY_THP_FOR_FS in khugepaged

[Zi Yan <ziy@nvidia.com>]

Change the requirement to a file system with large folio support and the
supported order needs to include PMD_ORDER.

Signed-off-by: Zi Yan <ziy@nvidia.com>
---
 tools/testing/selftests/mm/khugepaged.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/mm/khugepaged.c b/tools/testing/selftests/mm/khugepaged.c
index 3fe7ef04ac62..bdcdd31beb1e 100644
--- a/tools/testing/selftests/mm/khugepaged.c
+++ b/tools/testing/selftests/mm/khugepaged.c
@@ -1086,8 +1086,8 @@ static void usage(void)
 	fprintf(stderr, "\t<context>\t: [all|khugepaged|madvise]\n");
 	fprintf(stderr, "\t<mem_type>\t: [all|anon|file|shmem]\n");
 	fprintf(stderr, "\n\t\"file,all\" mem_type requires [dir] argument\n");
-	fprintf(stderr, "\n\t\"file,all\" mem_type requires kernel built with\n");
-	fprintf(stderr,	"\tCONFIG_READ_ONLY_THP_FOR_FS=y\n");
+	fprintf(stderr, "\n\t\"file,all\" mem_type requires a file system\n");
+	fprintf(stderr,	"\twith large folio support (order >= PMD order)\n");
 	fprintf(stderr, "\n\tif [dir] is a (sub)directory of a tmpfs mount, tmpfs must be\n");
 	fprintf(stderr,	"\tmounted with huge=advise option for khugepaged tests to work\n");
 	fprintf(stderr,	"\n\tSupported Options:\n");
-- 
2.43.0