diff options
author | Magnus Karlsson <magnus.karlsson@intel.com> | 2023-04-21 08:22:08 +0200 |
---|---|---|
committer | Daniel Borkmann <daniel@iogearbox.net> | 2023-04-21 16:35:10 +0200 |
commit | 02e93e0475df21a1091a9833c52c0e241586573a (patch) | |
tree | eabb131ebb074b3c93a87be7f16d922854846701 /tools | |
parent | 4ab07209d5cc8cb6d2a5324c07b3efc3b2fde494 (diff) |
selftests/xsk: Put MAP_HUGE_2MB in correct argument
Put the flag MAP_HUGE_2MB in the correct flags argument instead of the
wrong offset argument.
Fixes: 2ddade322925 ("selftests/xsk: Fix munmap for hugepage allocated umem")
Reported-by: Kal Cutter Conley <kal.conley@dectris.com>
Signed-off-by: Magnus Karlsson <magnus.karlsson@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20230421062208.3772-1-magnus.karlsson@gmail.com
Diffstat (limited to 'tools')
-rw-r--r-- | tools/testing/selftests/bpf/xskxceiver.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/tools/testing/selftests/bpf/xskxceiver.c b/tools/testing/selftests/bpf/xskxceiver.c index a59d04118842..f144d0604ddf 100644 --- a/tools/testing/selftests/bpf/xskxceiver.c +++ b/tools/testing/selftests/bpf/xskxceiver.c @@ -1287,19 +1287,16 @@ 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) { - mmap_flags |= MAP_HUGETLB; - mmap_offset = MAP_HUGE_2MB; - } + if (ifobject->umem->unaligned_mode) + mmap_flags |= MAP_HUGETLB | MAP_HUGE_2MB; if (ifobject->shared_umem) umem_sz *= 2; - bufs = mmap(NULL, umem_sz, PROT_READ | PROT_WRITE, mmap_flags, -1, mmap_offset); + bufs = mmap(NULL, umem_sz, PROT_READ | PROT_WRITE, mmap_flags, -1, 0); if (bufs == MAP_FAILED) exit_with_error(errno); @@ -1633,7 +1630,7 @@ static bool hugepages_present(struct ifobject *ifobject) void *bufs; bufs = mmap(NULL, mmap_sz, PROT_READ | PROT_WRITE, - MAP_PRIVATE | MAP_ANONYMOUS | MAP_HUGETLB, -1, MAP_HUGE_2MB); + MAP_PRIVATE | MAP_ANONYMOUS | MAP_HUGETLB | MAP_HUGE_2MB, -1, 0); if (bufs == MAP_FAILED) return false; |