[PATCH bpf] selftests/bpf: verifier_arena: fix mmap address for arm64

[Puranjay Mohan <puranjay12@gmail.com>]

The arena_list selftest uses (1ull << 32) in the mmap address
computation for arm64. Use the same in the verifier_arena selftest.

This makes the selftest pass for arm64 on the CI[1].

[1] https://github.com/kernel-patches/bpf/pull/6622

Signed-off-by: Puranjay Mohan <puranjay12@gmail.com>
---
 tools/testing/selftests/bpf/progs/verifier_arena.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/bpf/progs/verifier_arena.c b/tools/testing/selftests/bpf/progs/verifier_arena.c
index 5540b05ff9ee..91818a84e86d 100644
--- a/tools/testing/selftests/bpf/progs/verifier_arena.c
+++ b/tools/testing/selftests/bpf/progs/verifier_arena.c
@@ -12,7 +12,11 @@ struct {
 	__uint(type, BPF_MAP_TYPE_ARENA);
 	__uint(map_flags, BPF_F_MMAPABLE);
 	__uint(max_entries, 2); /* arena of two pages close to 32-bit boundary*/
-	__ulong(map_extra, (1ull << 44) | (~0u - __PAGE_SIZE * 2 + 1)); /* start of mmap() region */
+#ifdef __TARGET_ARCH_arm64
+        __ulong(map_extra, (1ull << 32) | (~0u - __PAGE_SIZE * 2 + 1)); /* start of mmap() region */
+#else
+        __ulong(map_extra, (1ull << 44) | (~0u - __PAGE_SIZE * 2 + 1)); /* start of mmap() region */
+#endif
 } arena SEC(".maps");
 
 SEC("syscall")
-- 
2.40.1