BPF_TAILCALL_PROLOGUE_SIZE 278 arch/powerpc/net/bpf_jit_comp64.c FUNCTION_DESCR_SIZE + BPF_TAILCALL_PROLOGUE_SIZE); BPF_TAILCALL_PROLOGUE_SIZE 280 arch/powerpc/net/bpf_jit_comp64.c PPC_ADDI(b2p[TMP_REG_1], b2p[TMP_REG_1], BPF_TAILCALL_PROLOGUE_SIZE);