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selftests/bpf: Don't assume page size is 4096 

The verifier test creates BPF ringbuf maps using hard-coded
4096 as max_entries. Some tests will fail if the page size
of the running kernel is not 4096. Use getpagesize() instead.

Signed-off-by: Hengqi Chen <hengqi.chen@gmail.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20230326095341.816023-1-hengqi.chen@gmail.com
This commit is contained in:
Hengqi Chen 2023-03-26 09:53:41 +00:00 committed by Andrii Nakryiko
parent f1cb927cdb
commit 7283137a76
1 changed files with 1 additions and 1 deletions
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2
tools/testing/selftests/bpf/test_verifier.c
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@ -1079,7 +1079,7 @@ static void do_test_fixup(struct bpf_test *test, enum bpf_prog_type prog_type,
}
if (*fixup_map_ringbuf) {
map_fds[20] = create_map(BPF_MAP_TYPE_RINGBUF, 0,
0, 4096);
0, getpagesize());
do {
prog[*fixup_map_ringbuf].imm = map_fds[20];
fixup_map_ringbuf++;