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Diffstat (limited to 'arch/sparc/include/asm/pgalloc_64.h')
-rw-r--r--arch/sparc/include/asm/pgalloc_64.h83
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 */