is_signed_type 34 include/linux/overflow.h #define is_signed_type(type) (((type)(-1)) < (type)1) is_signed_type 549 include/linux/trace_events.h #define is_signed_type(type) (((type)(-1)) < (type)1) is_signed_type 34 tools/include/linux/overflow.h #define is_signed_type(type) (((type)(-1)) < (type)1)