Re: [PATCH v4] selftest: mm: Test if hugepage does not get leaked during __bio_release_pages()

[Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>]

On Fri,  7 Jun 2024 13:20:00 -0500 Donet Tom <donettom@xxxxxxxxxxxxx> wrote:

> V4:
> - Added this test to run_vmtests.sh.

v4 also contains this change:

--- a/tools/testing/selftests/mm/hugetlb_dio.c~selftest-mm-test-if-hugepage-does-not-get-leaked-during-__bio_release_pages-v4
+++ a/tools/testing/selftests/mm/hugetlb_dio.c
@@ -40,7 +40,7 @@ void run_dio_using_hugetlb(unsigned int
 		ksft_exit_fail_msg("Unable to determine huge page size\n");
 
 	/* Open the file to DIO */
-	fd = open("/tmp", O_TMPFILE | O_RDWR | O_DIRECT);
+	fd = open("/tmp", O_TMPFILE | O_RDWR | O_DIRECT, 0664);
 	if (fd < 0)
 		ksft_exit_fail_perror("Error opening file\n");