diff options
Diffstat (limited to 'tools/testing/selftests/mm/hugepage-mmap.c')
| -rw-r--r-- | tools/testing/selftests/mm/hugepage-mmap.c | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/tools/testing/selftests/mm/hugepage-mmap.c b/tools/testing/selftests/mm/hugepage-mmap.c index 955ef87f38..267eea2e0e 100644 --- a/tools/testing/selftests/mm/hugepage-mmap.c +++ b/tools/testing/selftests/mm/hugepage-mmap.c @@ -22,6 +22,7 @@ #include <unistd.h> #include <sys/mman.h> #include <fcntl.h> +#include "../kselftest.h" #define LENGTH (256UL*1024*1024) #define PROTECTION (PROT_READ | PROT_WRITE) @@ -37,7 +38,7 @@ static void check_bytes(char *addr) { - printf("First hex is %x\n", *((unsigned int *)addr)); + ksft_print_msg("First hex is %x\n", *((unsigned int *)addr)); } static void write_bytes(char *addr) @@ -55,7 +56,7 @@ static int read_bytes(char *addr) check_bytes(addr); for (i = 0; i < LENGTH; i++) if (*(addr + i) != (char)i) { - printf("Mismatch at %lu\n", i); + ksft_print_msg("Error: Mismatch at %lu\n", i); return 1; } return 0; @@ -66,20 +67,20 @@ int main(void) void *addr; int fd, ret; + ksft_print_header(); + ksft_set_plan(1); + fd = memfd_create("hugepage-mmap", MFD_HUGETLB); - if (fd < 0) { - perror("memfd_create() failed"); - exit(1); - } + if (fd < 0) + ksft_exit_fail_msg("memfd_create() failed: %s\n", strerror(errno)); addr = mmap(ADDR, LENGTH, PROTECTION, FLAGS, fd, 0); if (addr == MAP_FAILED) { - perror("mmap"); close(fd); - exit(1); + ksft_exit_fail_msg("mmap(): %s\n", strerror(errno)); } - printf("Returned address is %p\n", addr); + ksft_print_msg("Returned address is %p\n", addr); check_bytes(addr); write_bytes(addr); ret = read_bytes(addr); @@ -87,5 +88,7 @@ int main(void) munmap(addr, LENGTH); close(fd); - return ret; + ksft_test_result(!ret, "Read same data\n"); + + ksft_exit(!ret); } |