From: Brendan Jackman <jackmanb@google.com>
To: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>,
Andrew Morton <akpm@linux-foundation.org>,
Shuah Khan <shuah@kernel.org>
Cc: Mateusz Guzik <mjguzik@gmail.com>,
linux-mm@kvack.org, linux-kselftest@vger.kernel.org,
linux-kernel@vger.kernel.org,
Brendan Jackman <jackmanb@google.com>
Subject: [PATCH 5/6] selftests/mm: Print some details when uffd-stress gets bad params
Date: Thu, 20 Feb 2025 15:03:17 +0000 [thread overview]
Message-ID: <20250220-mm-selftests-v1-5-9bbf57d64463@google.com> (raw)
In-Reply-To: <20250220-mm-selftests-v1-0-9bbf57d64463@google.com>
So this can be debugged more easily.
Signed-off-by: Brendan Jackman <jackmanb@google.com>
---
tools/testing/selftests/mm/uffd-stress.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/tools/testing/selftests/mm/uffd-stress.c b/tools/testing/selftests/mm/uffd-stress.c
index db5366b4766e5bfa2d1150d2f3c2d32469a6e28b..1facfb79e09aa4113e344d7d90dec06a37264058 100644
--- a/tools/testing/selftests/mm/uffd-stress.c
+++ b/tools/testing/selftests/mm/uffd-stress.c
@@ -456,7 +456,8 @@ int main(int argc, char **argv)
nr_pages_per_cpu = bytes / page_size / nr_cpus;
if (!nr_pages_per_cpu) {
- _err("invalid MiB");
+ _err("invalid MiB %lu (%lu / %lu / %lu)",
+ nr_pages_per_cpu, bytes, page_size, nr_cpus);
usage();
}
--
2.48.1.601.g30ceb7b040-goog
next prev parent reply other threads:[~2025-02-20 15:03 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-20 15:03 [PATCH 0/6] selftests/mm: Some cleanups from trying to run them Brendan Jackman
2025-02-20 15:03 ` [PATCH 1/6] selftests/mm: Report errno when things fail Brendan Jackman
2025-02-20 15:32 ` Dev Jain
2025-02-20 15:03 ` [PATCH 2/6] selftests/mm: Fix assumption that sudo is present Brendan Jackman
2025-02-20 15:03 ` [PATCH 3/6] selftests/mm: Skip uffd-stress if userfaultfd not available Brendan Jackman
2025-02-20 18:06 ` Dev Jain
2025-02-20 18:17 ` Brendan Jackman
2025-02-20 15:03 ` [PATCH 4/6] selftests/mm: Skip uffd-wp-mremap " Brendan Jackman
2025-02-20 15:03 ` Brendan Jackman [this message]
2025-02-20 15:17 ` [PATCH 5/6] selftests/mm: Print some details when uffd-stress gets bad params Brendan Jackman
2025-02-20 15:03 ` [PATCH 6/6] selftests/mm: Don't fail uffd-stress if too many CPUs Brendan Jackman
2025-02-20 15:48 ` Dev Jain
2025-02-20 15:55 ` Brendan Jackman
2025-02-20 16:01 ` Brendan Jackman
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