Defined in 2 files as a macro:

• drivers/usb/common/usb-conn-gpio.c, line 127 (as a macro)
• include/net/ndisc.h, line 122 (as a macro)

Referenced in 2 files:

• arch/powerpc/kvm/book3s_paired_singles.c, line 154
• tools/testing/selftests/rcutorture/bin/kvm-again.sh, line 156