From: "Mike Rapoport (Microsoft)" <[email protected]> pagemap-ioctl skips HugeTLB tests if there are no free huge pages prepared by a wrapper script.
Add setup of HugeTLB pages to the test and make sure that the original settings are restored on the test exit. Signed-off-by: Mike Rapoport (Microsoft) <[email protected]> --- tools/testing/selftests/mm/pagemap_ioctl.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/tools/testing/selftests/mm/pagemap_ioctl.c b/tools/testing/selftests/mm/pagemap_ioctl.c index 7f9428d6062c..e2c62cb6978f 100644 --- a/tools/testing/selftests/mm/pagemap_ioctl.c +++ b/tools/testing/selftests/mm/pagemap_ioctl.c @@ -7,8 +7,6 @@ #include <sys/mman.h> #include <errno.h> #include <malloc.h> -#include "vm_util.h" -#include "kselftest.h" #include <linux/types.h> #include <linux/memfd.h> #include <linux/userfaultfd.h> @@ -23,6 +21,10 @@ #include <sys/ipc.h> #include <sys/shm.h> +#include "vm_util.h" +#include "kselftest.h" +#include "hugepage_settings.h" + #define PAGEMAP_BITS_ALL (PAGE_IS_WPALLOWED | PAGE_IS_WRITTEN | \ PAGE_IS_FILE | PAGE_IS_PRESENT | \ PAGE_IS_SWAPPED | PAGE_IS_PFNZERO | \ @@ -1554,6 +1556,9 @@ int main(int __attribute__((unused)) argc, char *argv[]) if (init_uffd()) ksft_exit_skip("Failed to initialize userfaultfd\n"); + if (!hugetlb_setup_default(4)) + ksft_exit_skip("Not enough huge pages\n"); + ksft_set_plan(117); page_size = getpagesize(); @@ -1605,7 +1610,7 @@ int main(int __attribute__((unused)) argc, char *argv[]) } /* 5. SHM Hugetlb page testing */ - mem_size = 2*1024*1024; + mem_size = default_huge_page_size(); mem = gethugetlb_mem(mem_size, &shmid); if (mem) { wp_init(mem, mem_size); @@ -1633,7 +1638,7 @@ int main(int __attribute__((unused)) argc, char *argv[]) } /* 7. File Hugetlb testing */ - mem_size = 2*1024*1024; + mem_size = default_huge_page_size(); fd = memfd_create("uffd-test", MFD_HUGETLB | MFD_NOEXEC_SEAL); if (fd < 0) ksft_exit_fail_msg("uffd-test creation failed %d %s\n", errno, strerror(errno)); -- 2.53.0
