xen_offset_in_page
info.offset = xen_offset_in_page(vcpup);
cflush.offset = xen_offset_in_page(handle);
.dest.offset = xen_offset_in_page(key),
copy_op[0].dest.offset = xen_offset_in_page(mapping + off);
op->source.offset = xen_offset_in_page(data);
xen_offset_in_page(frag_data));
unsigned long dma_offset = xen_offset_in_page(offset),
unsigned long dma_offset = xen_offset_in_page(dma_handle);
goffset = xen_offset_in_page(offset);
unsigned int i, nr_pages = XEN_PFN_UP(xen_offset_in_page(p) + size);
return XEN_PFN_UP(xen_offset_in_page(start) + len);