tnum_sub           37 include/linux/tnum.h struct tnum tnum_sub(struct tnum a, struct tnum b);
tnum_sub         4544 kernel/bpf/verifier.c 		dst_reg->var_off = tnum_sub(ptr_reg->var_off, off_reg->var_off);
tnum_sub         4694 kernel/bpf/verifier.c 		dst_reg->var_off = tnum_sub(dst_reg->var_off, src_reg.var_off);