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| author | Dev Jain <dev.jain@arm.com> | 2024-03-14 15:22:50 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-04-26 06:55:43 +0300 |
| commit | 13e860961fd4505d7247ba69e8516f577c2dee5a (patch) | |
| tree | ed72fb11d37c6b2bd49e6a65faf211c54ce148f4 /tools | |
| parent | fa9fcd8bb6e4901e5ed0c7972547403d4c8dfec8 (diff) | |
| download | linux-13e860961fd4505d7247ba69e8516f577c2dee5a.tar.xz | |
selftests/mm: virtual_address_range: Switch to ksft_exit_fail_msg
mmap() must not succeed in validate_lower_address_hint(), for if it does,
it is a bug in mmap() itself. Reflect this behaviour with
ksft_exit_fail_msg(). While at it, do some formatting changes.
Link: https://lkml.kernel.org/r/20240314122250.68534-1-dev.jain@arm.com
Signed-off-by: Dev Jain <dev.jain@arm.com>
Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/testing/selftests/mm/virtual_address_range.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/tools/testing/selftests/mm/virtual_address_range.c b/tools/testing/selftests/mm/virtual_address_range.c index 7bcf8d48256a..426ddfc345fb 100644 --- a/tools/testing/selftests/mm/virtual_address_range.c +++ b/tools/testing/selftests/mm/virtual_address_range.c @@ -85,7 +85,7 @@ static int validate_lower_address_hint(void) char *ptr; ptr = mmap((void *) (1UL << 45), MAP_CHUNK_SIZE, PROT_READ | - PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); + PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); if (ptr == MAP_FAILED) return 0; @@ -105,13 +105,11 @@ int main(int argc, char *argv[]) for (i = 0; i < NR_CHUNKS_LOW; i++) { ptr[i] = mmap(NULL, MAP_CHUNK_SIZE, PROT_READ | PROT_WRITE, - MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); + MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); if (ptr[i] == MAP_FAILED) { - if (validate_lower_address_hint()) { - ksft_test_result_skip("Memory constraint not fulfilled\n"); - ksft_finished(); - } + if (validate_lower_address_hint()) + ksft_exit_fail_msg("mmap unexpectedly succeeded with hint\n"); break; } @@ -127,7 +125,7 @@ int main(int argc, char *argv[]) for (i = 0; i < NR_CHUNKS_HIGH; i++) { hint = hind_addr(); hptr[i] = mmap(hint, MAP_CHUNK_SIZE, PROT_READ | PROT_WRITE, - MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); + MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); if (hptr[i] == MAP_FAILED) break; |