1 #ifndef _CRIS_PGALLOC_H
2 #define _CRIS_PGALLOC_H
5 #include <linux/threads.h>
8 #define pmd_populate_kernel(mm, pmd, pte) pmd_set(pmd, pte)
9 #define pmd_populate(mm, pmd, pte) pmd_set(pmd, page_address(pte))
12 * Allocate and free page tables.
15 extern inline pgd_t *pgd_alloc (struct mm_struct *mm)
17 return (pgd_t *)get_zeroed_page(GFP_KERNEL);
20 extern inline void pgd_free (pgd_t *pgd)
22 free_page((unsigned long)pgd);
25 extern inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address)
27 pte_t *pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO);
31 extern inline struct page *pte_alloc_one(struct mm_struct *mm, unsigned long address)
34 pte = alloc_pages(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO, 0);
38 extern inline void pte_free_kernel(pte_t *pte)
40 free_page((unsigned long)pte);
43 extern inline void pte_free(struct page *pte)
49 #define __pte_free_tlb(tlb,pte) tlb_remove_page((tlb),(pte))
52 * We don't have any real pmd's, and this code never triggers because
53 * the pgd will always be present..
56 #define pmd_alloc_one(mm, addr) ({ BUG(); ((pmd_t *)2); })
57 #define pmd_free(x) do { } while (0)
58 #define __pmd_free_tlb(tlb,x) do { } while (0)
59 #define pgd_populate(mm, pmd, pte) BUG()
61 #define check_pgt_cache() do { } while (0)