1 #ifndef _MOTOROLA_PGALLOC_H
2 #define _MOTOROLA_PGALLOC_H
5 #include <asm/tlbflush.h>
7 extern pmd_t *get_pointer_table(void);
8 extern int free_pointer_table(pmd_t *);
10 static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address)
14 pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO);
16 __flush_page_to_ram(pte);
17 flush_tlb_kernel_page(pte);
24 static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
27 free_page((unsigned long) pte);
30 static inline pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address)
32 struct page *page = alloc_pages(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO, 0);
40 __flush_page_to_ram(pte);
41 flush_tlb_kernel_page(pte);
45 pgtable_page_ctor(page);
49 static inline void pte_free(struct mm_struct *mm, pgtable_t page)
51 pgtable_page_dtor(page);
52 cache_page(kmap(page));
57 static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t page,
58 unsigned long address)
60 pgtable_page_dtor(page);
61 cache_page(kmap(page));
67 static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address)
69 return get_pointer_table();
72 static inline int pmd_free(struct mm_struct *mm, pmd_t *pmd)
74 return free_pointer_table(pmd);
77 static inline int __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd,
78 unsigned long address)
80 return free_pointer_table(pmd);
84 static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
86 pmd_free(mm, (pmd_t *)pgd);
89 static inline pgd_t *pgd_alloc(struct mm_struct *mm)
91 return (pgd_t *)get_pointer_table();
95 static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, pte_t *pte)
100 static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, pgtable_t page)
102 pmd_set(pmd, page_address(page));
104 #define pmd_pgtable(pmd) pmd_page(pmd)
106 static inline void pgd_populate(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmd)
111 #endif /* _MOTOROLA_PGALLOC_H */