1 #ifndef _ALPHA_PGALLOC_H
2 #define _ALPHA_PGALLOC_H
4 #include <linux/config.h>
6 #include <linux/mmzone.h>
9 * Allocate and free page tables. The xxx_kernel() versions are
10 * used to allocate a kernel page table - this turns on ASN bits
15 pmd_populate(struct mm_struct *mm, pmd_t *pmd, struct page *pte)
17 pmd_set(pmd, (pte_t *)(page_to_pa(pte) + PAGE_OFFSET));
21 pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, pte_t *pte)
27 pgd_populate(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmd)
32 extern pgd_t *pgd_alloc(struct mm_struct *mm);
37 free_page((unsigned long)pgd);
41 pmd_alloc_one(struct mm_struct *mm, unsigned long address)
43 pmd_t *ret = (pmd_t *)__get_free_page(GFP_KERNEL|__GFP_REPEAT);
52 free_page((unsigned long)pmd);
55 extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr);
58 pte_free_kernel(pte_t *pte)
60 free_page((unsigned long)pte);
63 static inline struct page *
64 pte_alloc_one(struct mm_struct *mm, unsigned long addr)
66 pte_t *pte = pte_alloc_one_kernel(mm, addr);
68 return virt_to_page(pte);
73 pte_free(struct page *page)
78 #define check_pgt_cache() do { } while (0)
80 #endif /* _ALPHA_PGALLOC_H */