18 #include <linux/mm.h>
26 struct ptdesc *page_table_alloc_pgste(struct mm_struct *mm);
36 int crst_table_upgrade(struct mm_struct *mm, unsigned long limit);
38 static inline unsigned long check_asce_limit(struct mm_struct *mm, unsigned long addr,  in check_asce_limit()  argument
43 	if (addr + len > mm->context.asce_limit &&  in check_asce_limit()
45 		rc = crst_table_upgrade(mm, addr + len);  in check_asce_limit()
52 static inline p4d_t *p4d_alloc_one(struct mm_struct *mm, unsigned long address)  in p4d_alloc_one()  argument
54 	unsigned long *table = crst_table_alloc(mm);  in p4d_alloc_one()
61 static inline void p4d_free(struct mm_struct *mm, p4d_t *p4d)  in p4d_free()  argument
63 	if (!mm_p4d_folded(mm))  in p4d_free()
64 		crst_table_free(mm, (unsigned long *) p4d);  in p4d_free()
67 static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long address)  in pud_alloc_one()  argument
69 	unsigned long *table = crst_table_alloc(mm);  in pud_alloc_one()
75 static inline void pud_free(struct mm_struct *mm, pud_t *pud)  in pud_free()  argument
77 	if (!mm_pud_folded(mm))  in pud_free()
78 		crst_table_free(mm, (unsigned long *) pud);  in pud_free()
81 static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long vmaddr)  in pmd_alloc_one()  argument
83 	unsigned long *table = crst_table_alloc(mm);  in pmd_alloc_one()
89 		crst_table_free(mm, table);  in pmd_alloc_one()
95 static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)  in pmd_free()  argument
97 	if (mm_pmd_folded(mm))  in pmd_free()
100 	crst_table_free(mm, (unsigned long *) pmd);  in pmd_free()
103 static inline void pgd_populate(struct mm_struct *mm, pgd_t *pgd, p4d_t *p4d)  in pgd_populate()  argument
108 static inline void p4d_populate(struct mm_struct *mm, p4d_t *p4d, pud_t *pud)  in p4d_populate()  argument
113 static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)  in pud_populate()  argument
118 static inline pgd_t *pgd_alloc(struct mm_struct *mm)  in pgd_alloc()  argument
120 	return (pgd_t *) crst_table_alloc(mm);  in pgd_alloc()
123 static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)  in pgd_free()  argument
125 	crst_table_free(mm, (unsigned long *) pgd);  in pgd_free()
128 static inline void pmd_populate(struct mm_struct *mm,  in pmd_populate()  argument
134 #define pmd_populate_kernel(mm, pmd, pte) pmd_populate(mm, pmd, pte)  argument
139 #define pte_alloc_one_kernel(mm) ((pte_t *)page_table_alloc(mm))  argument
140 #define pte_alloc_one(mm) ((pte_t *)page_table_alloc(mm))  argument
142 #define pte_free_kernel(mm, pte) page_table_free(mm, (unsigned long *) pte)  argument
143 #define pte_free(mm, pte) page_table_free(mm, (unsigned long *) pte)  argument
145 /* arch use pte_free_defer() implementation in arch/s390/mm/pgalloc.c */
147 void pte_free_defer(struct mm_struct *mm, pgtable_t pgtable);