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git.proxmox.com Git - mirror_ubuntu-jammy-kernel.git/blob - arch/m68k/include/asm/motorola_pgalloc.h
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 */