XEN_PAGE_MASK
handle &= XEN_PAGE_MASK;
data_len)) & ~XEN_PAGE_MASK;
off = (unsigned long)virt & ~XEN_PAGE_MASK;
off = (unsigned long)virt & ~XEN_PAGE_MASK;
baddr |= paddr & ~XEN_PAGE_MASK;
(baddr & ~XEN_PAGE_MASK);
len = min_t(unsigned int, XEN_PAGE_SIZE - (offset & ~XEN_PAGE_MASK),
#define xen_offset_in_page(p) ((unsigned long)(p) & ~XEN_PAGE_MASK)