bfn1               12 drivers/xen/biomerge.c 	unsigned long bfn1 = pfn_to_bfn(page_to_pfn(vec1->bv_page));
bfn1               15 drivers/xen/biomerge.c 	return bfn1 + PFN_DOWN(vec1->bv_offset + vec1->bv_len) == bfn2;