Defined in 1 files as a macro:

• include/linux/circ_buf.h, line 31 (as a macro)

Referenced in 9 files:

• arch/ia64/hp/sim/simserial.c, line 201
• drivers/acpi/acpi_dbg.c, line 37
• drivers/gpu/drm/msm/msm_rd.c, line 80
• drivers/input/joystick/iforce/iforce-packets.c, line 85
• drivers/tty/amiserial.c, line 855
• drivers/tty/ehv_bytechan.c, line 467
• drivers/tty/serial/crisv10.c, line 2980
• drivers/tty/serial/serial_core.c, line 569
• tools/power/acpi/tools/acpidbg/acpidbg.c, line 51