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)
59 pgtable_page_dtor(page);
60 cache_page(kmap(page));
66 static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address)
68 return get_pointer_table();
71 static inline int pmd_free(struct mm_struct *mm, pmd_t *pmd)
73 return free_pointer_table(pmd);
76 static inline int __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd)
78 return free_pointer_table(pmd);
82 static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
84 pmd_free(mm, (pmd_t *)pgd);
87 static inline pgd_t *pgd_alloc(struct mm_struct *mm)
89 return (pgd_t *)get_pointer_table();
93 static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, pte_t *pte)
98 static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, pgtable_t page)
100 pmd_set(pmd, page_address(page));
102 #define pmd_pgtable(pmd) pmd_page(pmd)
104 static inline void pgd_populate(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmd)
109 #endif /* _MOTOROLA_PGALLOC_H */