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Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/xdp_adjust_tail.c')
-rw-r--r--tools/testing/selftests/bpf/prog_tests/xdp_adjust_tail.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_adjust_tail.c b/tools/testing/selftests/bpf/prog_tests/xdp_adjust_tail.c
index 39973ea1ce43..f09505f8b038 100644
--- a/tools/testing/selftests/bpf/prog_tests/xdp_adjust_tail.c
+++ b/tools/testing/selftests/bpf/prog_tests/xdp_adjust_tail.c
@@ -76,10 +76,15 @@ static void test_xdp_adjust_tail_grow2(void)
{
const char *file = "./test_xdp_adjust_tail_grow.bpf.o";
char buf[4096]; /* avoid segfault: large buf to hold grow results */
- int tailroom = 320; /* SKB_DATA_ALIGN(sizeof(struct skb_shared_info))*/;
struct bpf_object *obj;
int err, cnt, i;
int max_grow, prog_fd;
+ /* SKB_DATA_ALIGN(sizeof(struct skb_shared_info)) */
+#if defined(__s390x__)
+ int tailroom = 512;
+#else
+ int tailroom = 320;
+#endif
LIBBPF_OPTS(bpf_test_run_opts, tattr,
.repeat = 1,