bpf_jit_stack_offsetof 128 arch/powerpc/net/bpf_jit_comp64.c PPC_BPF_STL(b2p[i], 1, bpf_jit_stack_offsetof(ctx, b2p[i])); bpf_jit_stack_offsetof 143 arch/powerpc/net/bpf_jit_comp64.c PPC_BPF_LL(b2p[i], 1, bpf_jit_stack_offsetof(ctx, b2p[i]));