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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 07/53] selftests/mm: hugetlb-shm: use kselftest framework Date: Mon, 6 Apr 2026 17:16:49 +0300 Message-ID: <20260406141735.2179309-8-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-Rspam-User: X-Stat-Signature: 1dh533sxie4cph3rghsupq9jso48opb4 X-Rspamd-Queue-Id: D4D9318000C X-Rspamd-Server: rspam09 X-HE-Tag: 1775485107-571565 X-HE-Meta: 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 EI1/Aaif 4Gwz0elNE28UtpIaWBgCd4vQtuDcGo4S1IBnMOYOXcS6BA3Y6tW5/rdzCBQmdAf0wxsEPtyF0eid9muEFfS+Exl631qj/8wrL5DU0GtDppbZZsK5ZSuml6iTLVhGxFGNNTK42AWKotvt/W8HkxfphIqe7XUUl+bFKeZcaF+43KYBUPRXTx776w+mj862OYr0ljCtDBZzjHd1Z1vYyGsMgBXYRK3/u42ZipHFh/5cKU3VGcOY= 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-shm test to use kselftest framework for reporting and tracking successful and failing runs. Signed-off-by: Mike Rapoport (Microsoft) --- tools/testing/selftests/mm/hugetlb-shm.c | 46 ++++++++++++------------ 1 file changed, 23 insertions(+), 23 deletions(-) diff --git a/tools/testing/selftests/mm/hugetlb-shm.c b/tools/testing/selftests/mm/hugetlb-shm.c index de8f5d523084..10e4baa091f2 100644 --- a/tools/testing/selftests/mm/hugetlb-shm.c +++ b/tools/testing/selftests/mm/hugetlb-shm.c @@ -28,9 +28,9 @@ #include #include -#define LENGTH (256UL*1024*1024) +#include "vm_util.h" -#define dprintf(x) printf(x) +#define LENGTH (256UL*1024*1024) int main(void) { @@ -38,44 +38,44 @@ int main(void) unsigned long i; char *shmaddr; + ksft_print_header(); + ksft_set_plan(1); + shmid = shmget(2, LENGTH, SHM_HUGETLB | IPC_CREAT | SHM_R | SHM_W); - if (shmid < 0) { - perror("shmget"); - exit(1); - } - printf("shmid: 0x%x\n", shmid); + if (shmid < 0) + ksft_exit_fail_perror("shmget"); + + ksft_print_msg("shmid: 0x%x\n", shmid); shmaddr = shmat(shmid, NULL, 0); if (shmaddr == (char *)-1) { - perror("Shared memory attach failure"); + ksft_perror("Shared memory attach failure"); shmctl(shmid, IPC_RMID, NULL); - exit(2); + ksft_exit_fail(); } - printf("shmaddr: %p\n", shmaddr); + ksft_print_msg("shmaddr: %p\n", shmaddr); - dprintf("Starting the writes:\n"); - for (i = 0; i < LENGTH; i++) { + ksft_print_msg("Starting the writes:\n"); + for (i = 0; i < LENGTH; i++) shmaddr[i] = (char)(i); - if (!(i % (1024 * 1024))) - dprintf("."); - } - dprintf("\n"); - dprintf("Starting the Check..."); + ksft_print_msg("Starting the Check..."); for (i = 0; i < LENGTH; i++) if (shmaddr[i] != (char)i) { - printf("\nIndex %lu mismatched\n", i); - exit(3); + ksft_print_msg("Index %lu mismatched\n", i); + shmctl(shmid, IPC_RMID, NULL); + ksft_exit_fail_msg("Data mismatch at index %lu\n", i); } - dprintf("Done.\n"); + ksft_print_msg("Done.\n"); if (shmdt((const void *)shmaddr) != 0) { - perror("Detach failure"); + ksft_perror("Detach failure"); shmctl(shmid, IPC_RMID, NULL); - exit(4); + ksft_exit_fail(); } shmctl(shmid, IPC_RMID, NULL); - return 0; + ksft_test_result_pass("hugepage using SysV shmget/shmat\n"); + ksft_finished(); } -- 2.53.0