5 #include <linux/threads.h>
7 extern void __bad_pte(pmd_t *pmd);
9 extern pgd_t *pgd_alloc(struct mm_struct *mm);
10 extern void pgd_free(pgd_t *pgd);
13 * We don't have any real pmd's, and this code never triggers because
14 * the pgd will always be present..
16 #define pmd_alloc_one(mm,address) ({ BUG(); ((pmd_t *)2); })
17 #define pmd_free(x) do { } while (0)
18 #define __pmd_free_tlb(tlb,x) do { } while (0)
19 #define pgd_populate(mm, pmd, pte) BUG()
22 #define pmd_populate_kernel(mm, pmd, pte) \
23 (pmd_val(*(pmd)) = __pa(pte) | _PMD_PRESENT)
24 #define pmd_populate(mm, pmd, pte) \
25 (pmd_val(*(pmd)) = (page_to_pfn(pte) << PAGE_SHIFT) | _PMD_PRESENT)
27 #define pmd_populate_kernel(mm, pmd, pte) \
28 (pmd_val(*(pmd)) = (unsigned long)pte | _PMD_PRESENT)
29 #define pmd_populate(mm, pmd, pte) \
30 (pmd_val(*(pmd)) = (unsigned long)lowmem_page_address(pte) | _PMD_PRESENT)
33 extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr);
34 extern struct page *pte_alloc_one(struct mm_struct *mm, unsigned long addr);
35 extern void pte_free_kernel(pte_t *pte);
36 extern void pte_free(struct page *pte);
38 #define __pte_free_tlb(tlb, pte) pte_free((pte))
40 #define check_pgt_cache() do { } while (0)
42 #endif /* _PPC_PGALLOC_H */
43 #endif /* __KERNEL__ */