diff options
Diffstat (limited to 'arch/sparc/include/asm/pgalloc_64.h')
| -rw-r--r-- | arch/sparc/include/asm/pgalloc_64.h | 83 |
1 files changed, 48 insertions, 35 deletions
diff --git a/arch/sparc/include/asm/pgalloc_64.h b/arch/sparc/include/asm/pgalloc_64.h index 5bdfa2c6e40..39a7ac49b00 100644 --- a/arch/sparc/include/asm/pgalloc_64.h +++ b/arch/sparc/include/asm/pgalloc_64.h @@ -5,7 +5,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/slab.h> -#include <linux/quicklist.h> #include <asm/spitfire.h> #include <asm/cpudata.h> @@ -14,68 +13,82 @@ /* Page table allocation/freeing. */ +extern struct kmem_cache *pgtable_cache; + static inline pgd_t *pgd_alloc(struct mm_struct *mm) { - return quicklist_alloc(0, GFP_KERNEL, NULL); + return kmem_cache_alloc(pgtable_cache, GFP_KERNEL); } static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) { - quicklist_free(0, NULL, 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 quicklist_alloc(0, GFP_KERNEL, NULL); + return kmem_cache_alloc(pgtable_cache, + GFP_KERNEL|__GFP_REPEAT); } static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd) { - quicklist_free(0, NULL, pmd); + kmem_cache_free(pgtable_cache, pmd); } -static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, - unsigned long address) -{ - return quicklist_alloc(0, GFP_KERNEL, NULL); -} +pte_t *pte_alloc_one_kernel(struct mm_struct *mm, + unsigned long address); +pgtable_t pte_alloc_one(struct mm_struct *mm, + unsigned long address); +void pte_free_kernel(struct mm_struct *mm, pte_t *pte); +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) + +void pgtable_free(void *table, bool is_page); + +#ifdef CONFIG_SMP -static inline pgtable_t pte_alloc_one(struct mm_struct *mm, - unsigned long address) +struct mmu_gather; +void tlb_remove_table(struct mmu_gather *, void *); + +static inline void pgtable_free_tlb(struct mmu_gather *tlb, void *table, bool is_page) { - struct page *page; - void *pg; - - pg = quicklist_alloc(0, GFP_KERNEL, NULL); - if (!pg) - return NULL; - page = virt_to_page(pg); - pgtable_page_ctor(page); - return page; + unsigned long pgf = (unsigned long)table; + if (is_page) + pgf |= 0x1UL; + tlb_remove_table(tlb, (void *)pgf); } -static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) +static inline void __tlb_remove_table(void *_table) { - quicklist_free(0, NULL, pte); -} + void *table = (void *)((unsigned long)_table & ~0x1UL); + bool is_page = false; -static inline void pte_free(struct mm_struct *mm, pgtable_t ptepage) + 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_page_dtor(ptepage); - quicklist_free_page(0, NULL, ptepage); + pgtable_free(table, is_page); } +#endif /* !CONFIG_SMP */ - -#define pmd_populate_kernel(MM, PMD, PTE) pmd_set(PMD, PTE) -#define pmd_populate(MM,PMD,PTE_PAGE) \ - pmd_populate_kernel(MM,PMD,page_address(PTE_PAGE)) -#define pmd_pgtable(pmd) pmd_page(pmd) - -static inline void check_pgt_cache(void) +static inline void __pte_free_tlb(struct mmu_gather *tlb, pte_t *pte, + unsigned long address) { - quicklist_trim(0, NULL, 25, 16); + pgtable_free_tlb(tlb, pte, true); } +#define __pmd_free_tlb(tlb, pmd, addr) \ + pgtable_free_tlb(tlb, pmd, false) + #endif /* _SPARC64_PGALLOC_H */ |
