MAX_ID_BIT         43 include/linux/idr.h #define MAX_ID_MASK (MAX_ID_BIT - 1)
MAX_ID_BIT        177 lib/idr.c      		if ((id >= MAX_ID_BIT) || (id < 0))
MAX_ID_BIT        727 lib/idr.c      	if (t * IDA_BITMAP_BITS >= MAX_ID_BIT)
MAX_ID_BIT        761 lib/idr.c      	if (id >= MAX_ID_BIT)