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Diffstat (limited to 'arch/sparc/include/asm/pgalloc_64.h')
-rw-r--r--arch/sparc/include/asm/pgalloc_64.h76
1 files changed, 59 insertions, 17 deletions
diff --git a/arch/sparc/include/asm/pgalloc_64.h b/arch/sparc/include/asm/pgalloc_64.h
index 4e5e087..40b2d7a 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>
@@ -14,71 +13,114 @@
/* 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);
+ return (pte_t *)__get_free_page(GFP_KERNEL | __GFP_REPEAT | __GFP_ZERO);
}
static inline pgtable_t pte_alloc_one(struct mm_struct *mm,
unsigned long address)
{
struct page *page;
- void *pg;
+ pte_t *pte;
- pg = quicklist_alloc(0, GFP_KERNEL, NULL);
- if (!pg)
+ pte = pte_alloc_one_kernel(mm, address);
+ if (!pte)
return NULL;
- page = virt_to_page(pg);
+ page = virt_to_page(pte);
pgtable_page_ctor(page);
return page;
}
static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
{
- quicklist_free(0, NULL, pte);
+ free_page((unsigned long)pte);
}
static inline void pte_free(struct mm_struct *mm, pgtable_t ptepage)
{
pgtable_page_dtor(ptepage);
- quicklist_free_page(0, NULL, ptepage);
+ __free_page(ptepage);
}
-
#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)
+#define check_pgt_cache() do { } while (0)
+
+static inline void pgtable_free(void *table, bool is_page)
+{
+ if (is_page)
+ free_page((unsigned long)table);
+ else
+ kmem_cache_free(pgtable_cache, table);
+}
+
+#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)
{
- quicklist_trim(0, NULL, 25, 16);
+ pgtable_free(table, is_page);
+}
+#endif /* !CONFIG_SMP */
+
+static inline void __pte_free_tlb(struct mmu_gather *tlb, struct page *ptepage,
+ unsigned long address)
+{
+ pgtable_page_dtor(ptepage);
+ pgtable_free_tlb(tlb, page_address(ptepage), true);
}
-#define __pte_free_tlb(tlb, pte, addr) pte_free((tlb)->mm, pte)
-#define __pmd_free_tlb(tlb, pmd, addr) pmd_free((tlb)->mm, pmd)
+#define __pmd_free_tlb(tlb, pmd, addr) \
+ pgtable_free_tlb(tlb, pmd, false)
#endif /* _SPARC64_PGALLOC_H */