privcmd_mmap 256 drivers/xen/privcmd.c struct privcmd_mmap mmapcmd; privcmd_mmap 962 drivers/xen/privcmd.c .mmap = privcmd_mmap, privcmd_mmap 117 include/uapi/xen/privcmd.h _IOC(_IOC_NONE, 'P', 2, sizeof(struct privcmd_mmap))