Defined in 2 files as a variable:

• arch/um/drivers/null.c, line 40 (as a variable)
• drivers/block/null_blk/main.c, line 1743 (as a variable)

Defined in 1 files as a externvar:

• arch/um/drivers/chan_user.h, line 31 (as a externvar)

Referenced in 3 files:

• arch/um/drivers/chan_kern.c, line 445
• arch/um/drivers/chan_user.h, line 31
• drivers/block/null_blk/main.c, line 1975