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Howlett" , Lance Yang , Leon Romanovsky , Lorenzo Stoakes , Mark Brown , Michal Hocko , Mike Rapoport , Nico Pache , Peter Xu , Ryan Roberts , Shuah Khan , Suren Baghdasaryan , Vlastimil Babka , Zi Yan , linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 08/53] selftests/mm: hugetlb-vmemmap: use kselftest framework Date: Mon, 6 Apr 2026 17:16:50 +0300 Message-ID: <20260406141735.2179309-9-rppt@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260406141735.2179309-1-rppt@kernel.org> References: <20260406141735.2179309-1-rppt@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Stat-Signature: aapzqedd7qgiip5188ejmwqpx8yj7eej X-Rspamd-Queue-Id: 699142000F X-Rspam-User: X-Rspamd-Server: rspam03 X-HE-Tag: 1775485113-434044 X-HE-Meta: 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 eZJMKhA9 a5SrCgoexyelpbHOK4VwseXfQ5SgFHoh+4q0Cgyh9KEphx2YFRxAtG5j8Pgjhqhg1aAJsB59nryRwL6ciCoNadQAwA5CxLx3OM7fX2GCRrBlLJQTq/zfIoxAADUBPzfcDvSN4MiC6ceg6l6af8bCwaiCt6TTzvc55IhsNCkgEv8yMa84VoMuGOjvu2WiT1cEMZz33Fm6BNCmwQ7BPBAb+5PJMIpf9J2HUxuxaegzkj7Y55KM= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: From: "Mike Rapoport (Microsoft)" Convert hugetlb-vmemmap test to use kselftest framework for reporting and tracking successful and failing runs. Signed-off-by: Mike Rapoport (Microsoft) --- tools/testing/selftests/mm/hugetlb-vmemmap.c | 42 +++++++++----------- 1 file changed, 18 insertions(+), 24 deletions(-) diff --git a/tools/testing/selftests/mm/hugetlb-vmemmap.c b/tools/testing/selftests/mm/hugetlb-vmemmap.c index df366a4d1b92..485a6978b40f 100644 --- a/tools/testing/selftests/mm/hugetlb-vmemmap.c +++ b/tools/testing/selftests/mm/hugetlb-vmemmap.c @@ -63,7 +63,7 @@ static int check_page_flags(unsigned long pfn) read(fd, &pageflags, sizeof(pageflags)); if ((pageflags & HEAD_PAGE_FLAGS) != HEAD_PAGE_FLAGS) { close(fd); - printf("Head page flags (%lx) is invalid\n", pageflags); + ksft_print_msg("Head page flags (%lx) is invalid\n", pageflags); return -1; } @@ -77,7 +77,7 @@ static int check_page_flags(unsigned long pfn) if ((pageflags & TAIL_PAGE_FLAGS) != TAIL_PAGE_FLAGS || (pageflags & HEAD_PAGE_FLAGS) == HEAD_PAGE_FLAGS) { close(fd); - printf("Tail page flags (%lx) is invalid\n", pageflags); + ksft_print_msg("Tail page flags (%lx) is invalid\n", pageflags); return -1; } } @@ -91,44 +91,38 @@ int main(int argc, char **argv) { void *addr; unsigned long pfn; + int ret; + + ksft_print_header(); + ksft_set_plan(1); pagesize = psize(); maplength = default_huge_page_size(); - if (!maplength) { - printf("Unable to determine huge page size\n"); - exit(1); - } + if (!maplength) + ksft_exit_skip("Unable to determine huge page size\n"); addr = mmap(NULL, maplength, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_HUGETLB, -1, 0); - if (addr == MAP_FAILED) { - perror("mmap"); - exit(1); - } + if (addr == MAP_FAILED) + ksft_exit_fail_perror("mmap"); /* Trigger allocation of HugeTLB page. */ write_bytes(addr, maplength); pfn = virt_to_pfn(addr); if (pfn == -1UL) { + ksft_perror("virt_to_pfn"); munmap(addr, maplength); - perror("virt_to_pfn"); - exit(1); + ksft_exit_fail(); } - printf("Returned address is %p whose pfn is %lx\n", addr, pfn); + ksft_print_msg("Returned address is %p whose pfn is %lx\n", addr, pfn); - if (check_page_flags(pfn) < 0) { - munmap(addr, maplength); - perror("check_page_flags"); - exit(1); - } + ret = check_page_flags(pfn); - /* munmap() length of MAP_HUGETLB memory must be hugepage aligned */ - if (munmap(addr, maplength)) { - perror("munmap"); - exit(1); - } + if (munmap(addr, maplength)) + ksft_exit_fail_perror("munmap"); - return 0; + ksft_test_result(!ret, "HugeTLB vmemmap page flags\n"); + ksft_finished(); } -- 2.53.0