name : motorola_pgalloc.h /* SPDX-License-Identifier: GPL-2.0 */ #ifndef _MOTOROLA_PGALLOC_H #define _MOTOROLA_PGALLOC_H #include <asm/tlb.h> #include <asm/tlbflush.h> extern void mmu_page_ctor(void *page); extern void mmu_page_dtor(void *page); enum m68k_table_types { TABLE_PGD = 0, TABLE_PMD = 0, /* same size as PGD */ TABLE_PTE = 1, }; extern void init_pointer_table(void *table, int type); extern void *get_pointer_table(int type); extern int free_pointer_table(void *table, int type); /* * Allocate and free page tables. The xxx_kernel() versions are * used to allocate a kernel page table - this turns on ASN bits * if any. */ static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm) { return get_pointer_table(TABLE_PTE); } static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) { free_pointer_table(pte, TABLE_PTE); } static inline pgtable_t pte_alloc_one(struct mm_struct *mm) { return get_pointer_table(TABLE_PTE); } static inline void pte_free(struct mm_struct *mm, pgtable_t pgtable) { free_pointer_table(pgtable, TABLE_PTE); } static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pgtable, unsigned long address) { free_pointer_table(pgtable, TABLE_PTE); } static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address) { return get_pointer_table(TABLE_PMD); } static inline int pmd_free(struct mm_struct *mm, pmd_t *pmd) { return free_pointer_table(pmd, TABLE_PMD); } static inline int __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd, unsigned long address) { return free_pointer_table(pmd, TABLE_PMD); } static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) { free_pointer_table(pgd, TABLE_PGD); } static inline pgd_t *pgd_alloc(struct mm_struct *mm) { return get_pointer_table(TABLE_PGD); } static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, pte_t *pte) { pmd_set(pmd, pte); } static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, pgtable_t page) { pmd_set(pmd, page); } static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) { pud_set(pud, pmd); } #endif /* _MOTOROLA_PGALLOC_H */