IE_RBD_USED
#define IE_RBD_USED 0x4000 /* this buffer has data */
#define IE_RBD_USED 0x4000 /* this buffer has data */
#define IE_RBD_USED SWAP(0x4000) /* this buffer has data */
#define IE_RBD_USED 0x4000 /* this buffer has data */