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[linux.git] / tools / testing / selftests / bpf / progs / test_access_variable_array.c
1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (c) 2023 Bytedance */
3
4 #include "vmlinux.h"
5 #include <bpf/bpf_helpers.h>
6 #include <bpf/bpf_tracing.h>
7
8 unsigned long span = 0;
9
10 SEC("fentry/sched_balance_rq")
11 int BPF_PROG(fentry_fentry, int this_cpu, struct rq *this_rq,
12                 struct sched_domain *sd)
13 {
14         span = sd->span[0];
15
16         return 0;
17 }
18
19 char _license[] SEC("license") = "GPL";
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