diff options
Diffstat (limited to 'tools/testing/selftests/vm')
| -rw-r--r-- | tools/testing/selftests/vm/hugetlbfstest.c | 4 | ||||
| -rw-r--r-- | tools/testing/selftests/vm/map_hugetlb.c | 6 |
2 files changed, 8 insertions, 2 deletions
diff --git a/tools/testing/selftests/vm/hugetlbfstest.c b/tools/testing/selftests/vm/hugetlbfstest.c index ea40ff8c2391..02e1072ec187 100644 --- a/tools/testing/selftests/vm/hugetlbfstest.c +++ b/tools/testing/selftests/vm/hugetlbfstest.c @@ -34,6 +34,7 @@ static void do_mmap(int fd, int extra_flags, int unmap) int *p; int flags = MAP_PRIVATE | MAP_POPULATE | extra_flags; u64 before, after; + int ret; before = read_rss(); p = mmap(NULL, length, PROT_READ | PROT_WRITE, flags, fd, 0); @@ -44,7 +45,8 @@ static void do_mmap(int fd, int extra_flags, int unmap) !"rss didn't grow as expected"); if (!unmap) return; - munmap(p, length); + ret = munmap(p, length); + assert(!ret || !"munmap returned an unexpected error"); after = read_rss(); assert(llabs(after - before) < 0x40000 || !"rss didn't shrink as expected"); diff --git a/tools/testing/selftests/vm/map_hugetlb.c b/tools/testing/selftests/vm/map_hugetlb.c index ac56639dd4a9..addcd6fc1ecc 100644 --- a/tools/testing/selftests/vm/map_hugetlb.c +++ b/tools/testing/selftests/vm/map_hugetlb.c @@ -73,7 +73,11 @@ int main(void) write_bytes(addr); ret = read_bytes(addr); - munmap(addr, LENGTH); + /* munmap() length of MAP_HUGETLB memory must be hugepage aligned */ + if (munmap(addr, LENGTH)) { + perror("munmap"); + exit(1); + } return ret; } |