> @@ -1286,16 +1287,19 @@ static void thread_common_ops(struct test_spec *test, struct ifobject *ifobject) > u64 umem_sz = ifobject->umem->num_frames * ifobject->umem->frame_size; > int mmap_flags = MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE; > LIBBPF_OPTS(bpf_xdp_query_opts, opts); > + off_t mmap_offset = 0; > void *bufs; > int ret; > > - if (ifobject->umem->unaligned_mode) > + if (ifobject->umem->unaligned_mode) { > mmap_flags |= MAP_HUGETLB; > + mmap_offset = MAP_HUGE_2MB; > + } MAP_HUGE_2MB should be ORed into mmap_flags. The offset argument should be zero for MAP_ANONYMOUS mappings. The tests may still fail if the default hugepage size is not 2MB. > > if (ifobject->shared_umem) > umem_sz *= 2; > > - bufs = mmap(NULL, umem_sz, PROT_READ | PROT_WRITE, mmap_flags, -1, 0); > + bufs = mmap(NULL, umem_sz, PROT_READ | PROT_WRITE, mmap_flags, -1, mmap_offset); > if (bufs == MAP_FAILED) > exit_with_error(errno); > -Kal