int nr_pages, int flags)
{
grant_ref_t ref;
- unsigned long buffer_mfn;
unsigned int offset;
unsigned int len = length;
unsigned int bytes;
int i;
for (i = 0; i < nr_pages; i++) {
- buffer_mfn = PFN_DOWN(arbitrary_virt_to_machine(addr).maddr);
offset = offset_in_page(addr);
bytes = PAGE_SIZE - offset;
ref = gnttab_claim_grant_reference(gref_head);
gnttab_grant_foreign_access_ref(ref, info->xbdev->otherend_id,
- buffer_mfn, flags);
+ virt_to_gfn(addr), flags);
seg[i].gref = ref;
seg[i].offset = (__u16)offset;
seg[i].length = (__u16)bytes;