__maybe_unused    259 include/linux/compiler_attributes.h #define __maybe_unused                  __attribute__((__unused__))
__maybe_unused     50 tools/include/linux/compiler.h # define __maybe_unused		__attribute__((unused))
__maybe_unused     32 tools/lib/traceevent/event-parse.h #define __maybe_unused __attribute__((unused))
__maybe_unused     24 tools/testing/selftests/net/psock_lib.h # define __maybe_unused		__attribute__ ((__unused__))