From:   Kal Conley <kal.conley@dectris.com>
To:     =?UTF-8?q?Bj=C3=B6rn=20T=C3=B6pel?= <bjorn@kernel.org>,
        Magnus Karlsson <magnus.karlsson@intel.com>,
        Maciej Fijalkowski <maciej.fijalkowski@intel.com>,
        Jonathan Lemon <jonathan.lemon@gmail.com>,
        Alexei Starovoitov <ast@kernel.org>,
        Daniel Borkmann <daniel@iogearbox.net>,
        Andrii Nakryiko <andrii@kernel.org>,
        Martin KaFai Lau <martin.lau@linux.dev>,
        Song Liu <song@kernel.org>, Yonghong Song <yhs@fb.com>,
        John Fastabend <john.fastabend@gmail.com>,
        KP Singh <kpsingh@kernel.org>,
        Stanislav Fomichev <sdf@google.com>,
        Hao Luo <haoluo@google.com>, Jiri Olsa <jolsa@kernel.org>,
        Mykola Lysenko <mykolal@fb.com>, Shuah Khan <shuah@kernel.org>
Cc:     Kal Conley <kal.conley@dectris.com>, netdev@vger.kernel.org,
        bpf@vger.kernel.org, linux-kselftest@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: [PATCH bpf-next 2/3] selftests: xsk: Use hugepages when umem->frame_size > PAGE_SIZE
Date:   Sun, 19 Mar 2023 20:56:55 +0100
Message-Id: <20230319195656.326701-3-kal.conley@dectris.com>
In-Reply-To: <20230319195656.326701-1-kal.conley@dectris.com>
References: <20230319195656.326701-1-kal.conley@dectris.com>
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HugeTLB UMEMs now support chunk_size > PAGE_SIZE. Set MAP_HUGETLB when
frame_size > PAGE_SIZE for future tests.

Signed-off-by: Kal Conley <kal.conley@dectris.com>
---
 tools/testing/selftests/bpf/xskxceiver.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/bpf/xskxceiver.c b/tools/testing/selftests/bpf/xskxceiver.c
index a17655107a94..7a47ef28fbce 100644
--- a/tools/testing/selftests/bpf/xskxceiver.c
+++ b/tools/testing/selftests/bpf/xskxceiver.c
@@ -1265,7 +1265,7 @@ static void thread_common_ops(struct test_spec *test, struct ifobject *ifobject)
 	void *bufs;
 	int ret;
 
-	if (ifobject->umem->unaligned_mode)
+	if (ifobject->umem->frame_size > sysconf(_SC_PAGESIZE) || ifobject->umem->unaligned_mode)
 		mmap_flags |= MAP_HUGETLB;
 
 	if (ifobject->shared_umem)
-- 
2.39.2