Symbol: XSHM_RO
sys/arch/xen/x86/xen_shm_machdep.c
89
((flags & XSHM_RO) ? GNTMAP_readonly : 0);
sys/arch/xen/xen/xbdback_xenbus.c
1697
(req->operation == BLKIF_OP_WRITE) ? XSHM_RO : 0);