1 #ifndef _SPARC64_PGALLOC_H
2 #define _SPARC64_PGALLOC_H
4 #include <linux/kernel.h>
5 #include <linux/sched.h>
7 #include <linux/slab.h>
9 #include <asm/spitfire.h>
10 #include <asm/cpudata.h>
11 #include <asm/cacheflush.h>
14 /* Page table allocation/freeing. */
16 extern struct kmem_cache *pgtable_cache;
18 static inline void __pgd_populate(pgd_t *pgd, pud_t *pud)
23 #define pgd_populate(MM, PGD, PUD) __pgd_populate(PGD, PUD)
25 static inline pgd_t *pgd_alloc(struct mm_struct *mm)
27 return kmem_cache_alloc(pgtable_cache, GFP_KERNEL);
30 static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
32 kmem_cache_free(pgtable_cache, pgd);
35 static inline void __pud_populate(pud_t *pud, pmd_t *pmd)
40 #define pud_populate(MM, PUD, PMD) __pud_populate(PUD, PMD)
42 static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr)
44 return kmem_cache_alloc(pgtable_cache,
45 GFP_KERNEL|__GFP_REPEAT);
48 static inline void pud_free(struct mm_struct *mm, pud_t *pud)
50 kmem_cache_free(pgtable_cache, pud);
53 static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr)
55 return kmem_cache_alloc(pgtable_cache,
56 GFP_KERNEL|__GFP_REPEAT);
59 static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
61 kmem_cache_free(pgtable_cache, pmd);
64 pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
65 unsigned long address);
66 pgtable_t pte_alloc_one(struct mm_struct *mm,
67 unsigned long address);
68 void pte_free_kernel(struct mm_struct *mm, pte_t *pte);
69 void pte_free(struct mm_struct *mm, pgtable_t ptepage);
71 #define pmd_populate_kernel(MM, PMD, PTE) pmd_set(MM, PMD, PTE)
72 #define pmd_populate(MM, PMD, PTE) pmd_set(MM, PMD, PTE)
73 #define pmd_pgtable(PMD) ((pte_t *)__pmd_page(PMD))
75 #define check_pgt_cache() do { } while (0)
77 void pgtable_free(void *table, bool is_page);
82 void tlb_remove_table(struct mmu_gather *, void *);
84 static inline void pgtable_free_tlb(struct mmu_gather *tlb, void *table, bool is_page)
86 unsigned long pgf = (unsigned long)table;
89 tlb_remove_table(tlb, (void *)pgf);
92 static inline void __tlb_remove_table(void *_table)
94 void *table = (void *)((unsigned long)_table & ~0x1UL);
97 if ((unsigned long)_table & 0x1UL)
99 pgtable_free(table, is_page);
101 #else /* CONFIG_SMP */
102 static inline void pgtable_free_tlb(struct mmu_gather *tlb, void *table, bool is_page)
104 pgtable_free(table, is_page);
106 #endif /* !CONFIG_SMP */
108 static inline void __pte_free_tlb(struct mmu_gather *tlb, pte_t *pte,
109 unsigned long address)
111 pgtable_free_tlb(tlb, pte, true);
114 #define __pmd_free_tlb(tlb, pmd, addr) \
115 pgtable_free_tlb(tlb, pmd, false)
117 #define __pud_free_tlb(tlb, pud, addr) \
118 pgtable_free_tlb(tlb, pud, false)
120 #endif /* _SPARC64_PGALLOC_H */