1 #ifndef _ASM_SCORE_PGALLOC_H
2 #define _ASM_SCORE_PGALLOC_H
5 #include <linux/highmem.h>
6 static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd,
9 set_pmd(pmd, __pmd((unsigned long)pte));
12 static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd,
15 set_pmd(pmd, __pmd((unsigned long)page_address(pte)));
18 #define pmd_pgtable(pmd) pmd_page(pmd)
20 static inline pgd_t *pgd_alloc(struct mm_struct *mm)
24 ret = (pgd_t *) __get_free_pages(GFP_KERNEL, PGD_ORDER);
26 init = pgd_offset(&init_mm, 0UL);
27 pgd_init((unsigned long)ret);
28 memcpy(ret + USER_PTRS_PER_PGD, init + USER_PTRS_PER_PGD,
29 (PTRS_PER_PGD - USER_PTRS_PER_PGD) * sizeof(pgd_t));
35 static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
37 free_pages((unsigned long)pgd, PGD_ORDER);
40 static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
41 unsigned long address)
45 pte = (pte_t *) __get_free_pages(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO,
51 static inline struct page *pte_alloc_one(struct mm_struct *mm,
52 unsigned long address)
56 pte = alloc_pages(GFP_KERNEL | __GFP_REPEAT, PTE_ORDER);
60 if (!pgtable_page_ctor(pte)) {
67 static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
69 free_pages((unsigned long)pte, PTE_ORDER);
72 static inline void pte_free(struct mm_struct *mm, pgtable_t pte)
74 pgtable_page_dtor(pte);
75 __free_pages(pte, PTE_ORDER);
78 #define __pte_free_tlb(tlb, pte, buf) \
80 pgtable_page_dtor(pte); \
81 tlb_remove_page((tlb), pte); \
84 #define check_pgt_cache() do {} while (0)
86 #endif /* _ASM_SCORE_PGALLOC_H */