| #ifndef _SPARC64_PGALLOC_H | |
| #define _SPARC64_PGALLOC_H | |
| #include <linux/kernel.h> | |
| #include <linux/sched.h> | |
| #include <linux/mm.h> | |
| #include <linux/slab.h> | |
| #include <asm/spitfire.h> | |
| #include <asm/cpudata.h> | |
| #include <asm/cacheflush.h> | |
| #include <asm/page.h> | |
| /* Page table allocation/freeing. */ | |
| extern struct kmem_cache *pgtable_cache; | |
| static inline pgd_t *pgd_alloc(struct mm_struct *mm) | |
| { | |
| return kmem_cache_alloc(pgtable_cache, GFP_KERNEL); | |
| } | |
| static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) | |
| { | |
| kmem_cache_free(pgtable_cache, pgd); | |
| } | |
| #define pud_populate(MM, PUD, PMD) pud_set(PUD, PMD) | |
| static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr) | |
| { | |
| return kmem_cache_alloc(pgtable_cache, | |
| GFP_KERNEL|__GFP_REPEAT); | |
| } | |
| static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd) | |
| { | |
| kmem_cache_free(pgtable_cache, pmd); | |
| } | |
| extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm, | |
| unsigned long address); | |
| extern pgtable_t pte_alloc_one(struct mm_struct *mm, | |
| unsigned long address); | |
| extern void pte_free_kernel(struct mm_struct *mm, pte_t *pte); | |
| extern void pte_free(struct mm_struct *mm, pgtable_t ptepage); | |
| #define pmd_populate_kernel(MM, PMD, PTE) pmd_set(MM, PMD, PTE) | |
| #define pmd_populate(MM, PMD, PTE) pmd_set(MM, PMD, PTE) | |
| #define pmd_pgtable(PMD) ((pte_t *)__pmd_page(PMD)) | |
| #define check_pgt_cache() do { } while (0) | |
| extern void pgtable_free(void *table, bool is_page); | |
| #ifdef CONFIG_SMP | |
| struct mmu_gather; | |
| extern void tlb_remove_table(struct mmu_gather *, void *); | |
| static inline void pgtable_free_tlb(struct mmu_gather *tlb, void *table, bool is_page) | |
| { | |
| unsigned long pgf = (unsigned long)table; | |
| if (is_page) | |
| pgf |= 0x1UL; | |
| tlb_remove_table(tlb, (void *)pgf); | |
| } | |
| static inline void __tlb_remove_table(void *_table) | |
| { | |
| void *table = (void *)((unsigned long)_table & ~0x1UL); | |
| bool is_page = false; | |
| if ((unsigned long)_table & 0x1UL) | |
| is_page = true; | |
| pgtable_free(table, is_page); | |
| } | |
| #else /* CONFIG_SMP */ | |
| static inline void pgtable_free_tlb(struct mmu_gather *tlb, void *table, bool is_page) | |
| { | |
| pgtable_free(table, is_page); | |
| } | |
| #endif /* !CONFIG_SMP */ | |
| static inline void __pte_free_tlb(struct mmu_gather *tlb, pte_t *pte, | |
| unsigned long address) | |
| { | |
| pgtable_free_tlb(tlb, pte, true); | |
| } | |
| #define __pmd_free_tlb(tlb, pmd, addr) \ | |
| pgtable_free_tlb(tlb, pmd, false) | |
| #endif /* _SPARC64_PGALLOC_H */ |