XENFB_OUT_EVENT_SIZE   73 include/xen/interface/io/fbif.h 	char pad[XENFB_OUT_EVENT_SIZE];
XENFB_OUT_EVENT_SIZE  101 include/xen/interface/io/fbif.h #define XENFB_OUT_RING_LEN (XENFB_OUT_RING_SIZE / XENFB_OUT_EVENT_SIZE)