Defined in 2 files as a config:

• arch/m68k/Kconfig.machine, line 337 (as a config)
• arch/sh/Kconfig.debug, line 28 (as a config)

Referenced in 3 files:

• arch/m68k/include/asm/thread_info.h, line 15
• arch/sh/include/asm/thread_info.h, line 41
• drivers/net/tun.c, line 1906