Lines Matching defs:pfn
118 * @pfn: location to store found PFN
122 * Returns zero and the pfn at @pfn on success, -ve otherwise.
125 unsigned long *pfn)
130 *pfn = address >> PAGE_SHIFT;
1623 unsigned long pfn, unsigned long size, pgprot_t prot)
1625 if (addr != (pfn << PAGE_SHIFT))
1635 unsigned long pfn = start >> PAGE_SHIFT;
1638 pfn += vma->vm_pgoff;
1639 return io_remap_pfn_range(vma, vma->vm_start, pfn, vm_len, vma->vm_page_prot);