649 	int sp_off = 0;  in get_stack_depth()  local
653 	sp_off += hweight32(ctx->flags >> SEEN_SREG_SFT) * RSIZE;  in get_stack_depth()
656 		sp_off += 4 * BPF_MEMWORDS; /* BPF_MEMWORDS are 32-bit */  in get_stack_depth()
668 		sp_off += config_enabled(CONFIG_64BIT) ?  in get_stack_depth()
671 	return sp_off;  in get_stack_depth()
676 	int sp_off;  in build_prologue()  local
679 	sp_off = get_stack_depth(ctx);  in build_prologue()
680 	save_bpf_jit_regs(ctx, sp_off);  in build_prologue()
695 	unsigned int sp_off;  in build_epilogue()  local
699 	sp_off = get_stack_depth(ctx);  in build_epilogue()
700 	restore_bpf_jit_regs(ctx, sp_off);  in build_epilogue()