return 1;
}
-static inline unsigned long uvirt_to_kva(pgd_t *pgd, unsigned long adr)
-{
- unsigned long ret = 0UL;
- pmd_t *pmd;
- pte_t *ptep, pte;
- pud_t *pud;
-
- if (!pgd_none(*pgd)) {
- pud = pud_offset(pgd, adr);
- pmd = pmd_offset(pud, adr);
- if (!pmd_none(*pmd)) {
- ptep = pte_offset_kernel(pmd, adr);
- pte = *ptep;
- if (pte_present(pte)) {
- ret = (unsigned long)
- page_address(pte_page(pte));
- ret |= (adr & (PAGE_SIZE - 1));
- }
- }
- }
- return ret;
-}
-
-static inline unsigned long kvirt_to_kva(unsigned long adr)
-{
- unsigned long va, kva;
-
- va = adr;
- kva = uvirt_to_kva(pgd_offset_k(va), va);
-
- return kva;
-}
-
int comedi_buf_alloc(struct comedi_device *dev, struct comedi_subdevice *s,
unsigned long new_size)
{