Conform the layout, informational and status messages to TAP. No functional change is intended other than the layout of output messages.
Signed-off-by: Muhammad Usama Anjum usama.anjum@collabora.com --- tools/testing/selftests/mm/hugepage-vmemmap.c | 36 +++++++++---------- 1 file changed, 17 insertions(+), 19 deletions(-)
diff --git a/tools/testing/selftests/mm/hugepage-vmemmap.c b/tools/testing/selftests/mm/hugepage-vmemmap.c index 5b354c209e93..125b96a65286 100644 --- a/tools/testing/selftests/mm/hugepage-vmemmap.c +++ b/tools/testing/selftests/mm/hugepage-vmemmap.c @@ -10,6 +10,7 @@ #include <unistd.h> #include <sys/mman.h> #include <fcntl.h> +#include "../kselftest.h"
#define MAP_LENGTH (2UL * 1024 * 1024)
@@ -77,7 +78,7 @@ 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; }
@@ -91,7 +92,7 @@ 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; } } @@ -106,11 +107,12 @@ int main(int argc, char **argv) void *addr; unsigned long pfn;
+ ksft_print_header(); + ksft_set_plan(1); + addr = mmap(MAP_ADDR, MAP_LENGTH, PROT_READ | PROT_WRITE, MAP_FLAGS, -1, 0); - if (addr == MAP_FAILED) { - perror("mmap"); - exit(1); - } + if (addr == MAP_FAILED) + ksft_exit_fail_msg("mmap: %s\n", strerror(errno));
/* Trigger allocation of HugeTLB page. */ write_bytes(addr, MAP_LENGTH); @@ -118,23 +120,19 @@ int main(int argc, char **argv) pfn = virt_to_pfn(addr); if (pfn == -1UL) { munmap(addr, MAP_LENGTH); - perror("virt_to_pfn"); - exit(1); + ksft_exit_fail_msg("virt_to_pfn: %s\n", strerror(errno)); + } else if (!pfn && geteuid()) { + ksft_test_result_skip("Unable to read the pfn as non-root user\n"); + ksft_finished(); }
- 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, MAP_LENGTH); - perror("check_page_flags"); - exit(1); - } + ksft_test_result(!check_page_flags(pfn), "Check page flags\n");
/* munmap() length of MAP_HUGETLB memory must be hugepage aligned */ - if (munmap(addr, MAP_LENGTH)) { - perror("munmap"); - exit(1); - } + if (munmap(addr, MAP_LENGTH)) + ksft_exit_fail_msg("munmap: %s\n", strerror(errno));
- return 0; + ksft_finished(); }