From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 24893175D5D for ; Mon, 17 Mar 2025 05:14:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742188450; cv=none; b=dgiKmF3m41ay+swSauz98q2WmZCs8mRD0h8H33ONhVqxcCdNRczV9HUGO8XTcpQsNsRjbsAmJnfGT7T12lVxVE2YgZ61RM3N5+Gvei8l1E1VBog9zz7p3Mce0sOOtXldwbT61k3HTFrGmvLJcmMmOfvQmN++FUpnjaHE+srueYk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742188450; c=relaxed/simple; bh=zGQ0YN7Jr9ydc0XwuJW6tt+tUvSTPMmZzYnI1wI+iOE=; h=Date:To:From:Subject:Message-Id; b=l6X+W6ZmVBxcV6tQfl7gv6bUZqFgLJiscKGG7uHcNWTUyBgMlaRKUgSTwlmu8xagFW5+YtrLQtOWgwlZOVWhXy9WebteEzIelr9GdriuJDhfZ5ezBRYt9BpdaoEEKNv4SIdnYwaDRKXGc2ygI9kVoNWj8q+G1n5azVvfqhNIA+s= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=OpLm+pkG; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="OpLm+pkG" Received: by smtp.kernel.org (Postfix) with ESMTPSA id EEA70C4CEEC; Mon, 17 Mar 2025 05:14:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1742188450; bh=zGQ0YN7Jr9ydc0XwuJW6tt+tUvSTPMmZzYnI1wI+iOE=; h=Date:To:From:Subject:From; b=OpLm+pkGRa3dwUeA4tzPN2Ky3E0UFGYaJl8oGeFVYHR7shQvjBScUnPm+k3ba9Hrj WtzJIF3v77Thtu0vxbQreEGsmmJRsFZuh5N3+ul8syhuEHtKRZz08iiq/+hw6jgMqj +PZtqTvuvT4O4FuoHZNZer//3VAaMc1LlKNOWJZE= Date: Sun, 16 Mar 2025 22:14:09 -0700 To: mm-commits@vger.kernel.org,shuah@kernel.org,mjguzik@gmail.com,lorenzo.stoakes@oracle.com,dev.jain@arm.com,jackmanb@google.com,akpm@linux-foundation.org From: Andrew Morton Subject: [merged mm-stable] selftests-mm-mlock-print-error-on-failure.patch removed from -mm tree Message-Id: <20250317051409.EEA70C4CEEC@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The quilt patch titled Subject: selftests/mm/mlock: print error on failure has been removed from the -mm tree. Its filename was selftests-mm-mlock-print-error-on-failure.patch This patch was dropped because it was merged into the mm-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: Brendan Jackman Subject: selftests/mm/mlock: print error on failure Date: Tue, 11 Mar 2025 13:18:23 +0000 It's not really possible to start diagnosing this without knowing the actual error. Also update the mlock2 helper to behave like libc would by setting errno and returning -1. Link: https://lkml.kernel.org/r/20250311-mm-selftests-v4-12-dec210a658f5@google.com Signed-off-by: Brendan Jackman Cc: Dev Jain Cc: Lorenzo Stoakes Cc: Mateusz Guzik Cc: Shuah Khan Signed-off-by: Andrew Morton --- tools/testing/selftests/mm/mlock-random-test.c | 4 ++-- tools/testing/selftests/mm/mlock2.h | 8 +++++++- 2 files changed, 9 insertions(+), 3 deletions(-) --- a/tools/testing/selftests/mm/mlock2.h~selftests-mm-mlock-print-error-on-failure +++ a/tools/testing/selftests/mm/mlock2.h @@ -6,7 +6,13 @@ static int mlock2_(void *start, size_t len, int flags) { - return syscall(__NR_mlock2, start, len, flags); + int ret = syscall(__NR_mlock2, start, len, flags); + + if (ret) { + errno = ret; + return -1; + } + return 0; } static FILE *seek_to_smaps_entry(unsigned long addr) --- a/tools/testing/selftests/mm/mlock-random-test.c~selftests-mm-mlock-print-error-on-failure +++ a/tools/testing/selftests/mm/mlock-random-test.c @@ -161,9 +161,9 @@ static void test_mlock_within_limit(char MLOCK_ONFAULT); if (ret) - ksft_exit_fail_msg("%s() failure at |%p(%d)| mlock:|%p(%d)|\n", + ksft_exit_fail_msg("%s() failure (%s) at |%p(%d)| mlock:|%p(%d)|\n", is_mlock ? "mlock" : "mlock2", - p, alloc_size, + strerror(errno), p, alloc_size, p + start_offset, lock_size); } _ Patches currently in -mm which might be from jackmanb@google.com are scripts-gdb-add-lx_per_cpu_ptr.patch