diff options
| author | Muhammad Usama Anjum <usama.anjum@collabora.com> | 2025-07-07 12:33:20 +0500 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-07-19 18:59:44 -0700 |
| commit | f73858d5ef93cb880aca64d826b4e3ca8b55365a (patch) | |
| tree | 9b506cc5750aa9401172456989755a8a006dff75 /tools/testing/selftests/mm/vm_util.h | |
| parent | 0b473f9e6eace01bf5d450fd696119e827c5fa5d (diff) | |
selftests/mm: pagemap_scan ioctl: add PFN ZERO test cases
Add test cases to test the correctness of PFN ZERO flag of pagemap_scan
ioctl. Test with normal pages backed memory and huge pages backed memory.
Link: https://lkml.kernel.org/r/20250707073321.106431-1-usama.anjum@collabora.com
Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Muhammad Usama Anjum <usama.anjum@collabora.com>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'tools/testing/selftests/mm/vm_util.h')
| -rw-r--r-- | tools/testing/selftests/mm/vm_util.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/testing/selftests/mm/vm_util.h b/tools/testing/selftests/mm/vm_util.h index 797c24215b17..2b154c287591 100644 --- a/tools/testing/selftests/mm/vm_util.h +++ b/tools/testing/selftests/mm/vm_util.h @@ -44,6 +44,8 @@ static inline unsigned int pshift(void) return __page_shift; } +bool detect_huge_zeropage(void); + /* * Plan 9 FS has bugs (at least on QEMU) where certain operations fail with * ENOENT on unlinked files. See |