-static inline unsigned long drm_follow_page(void *vaddr)
-{
- pgd_t *pgd = pgd_offset_k((unsigned long)vaddr);
- pud_t *pud = pud_offset(pgd, (unsigned long)vaddr);
- pmd_t *pmd = pmd_offset(pud, (unsigned long)vaddr);
- pte_t *ptep = pte_offset_kernel(pmd, (unsigned long)vaddr);
- return pte_pfn(*ptep) << PAGE_SHIFT;
-}
-