2008-07-18 12:55:51 +08:00
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#ifndef _SPARC64_PGALLOC_H
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#define _SPARC64_PGALLOC_H
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#include <linux/kernel.h>
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#include <linux/sched.h>
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#include <linux/mm.h>
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#include <linux/slab.h>
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#include <asm/spitfire.h>
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#include <asm/cpudata.h>
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#include <asm/cacheflush.h>
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#include <asm/page.h>
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/* Page table allocation/freeing. */
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2011-07-26 08:12:20 +08:00
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extern struct kmem_cache *pgtable_cache;
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2008-07-18 12:55:51 +08:00
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static inline pgd_t *pgd_alloc(struct mm_struct *mm)
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{
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2011-07-26 08:12:20 +08:00
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return kmem_cache_alloc(pgtable_cache, GFP_KERNEL);
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2008-07-18 12:55:51 +08:00
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}
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static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
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{
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2011-07-26 08:12:20 +08:00
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kmem_cache_free(pgtable_cache, pgd);
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2008-07-18 12:55:51 +08:00
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}
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#define pud_populate(MM, PUD, PMD) pud_set(PUD, PMD)
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static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr)
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{
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2011-07-26 08:12:20 +08:00
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return kmem_cache_alloc(pgtable_cache,
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GFP_KERNEL|__GFP_REPEAT);
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2008-07-18 12:55:51 +08:00
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}
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static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
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{
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2011-07-26 08:12:20 +08:00
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kmem_cache_free(pgtable_cache, pmd);
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2008-07-18 12:55:51 +08:00
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}
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static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
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unsigned long address)
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{
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2011-07-26 08:12:20 +08:00
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return (pte_t *)__get_free_page(GFP_KERNEL | __GFP_REPEAT | __GFP_ZERO);
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2008-07-18 12:55:51 +08:00
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}
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static inline pgtable_t pte_alloc_one(struct mm_struct *mm,
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unsigned long address)
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{
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struct page *page;
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2011-07-26 08:12:20 +08:00
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pte_t *pte;
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2008-07-18 12:55:51 +08:00
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2011-07-26 08:12:20 +08:00
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pte = pte_alloc_one_kernel(mm, address);
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if (!pte)
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2008-07-18 12:55:51 +08:00
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return NULL;
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2011-07-26 08:12:20 +08:00
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page = virt_to_page(pte);
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2008-07-18 12:55:51 +08:00
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pgtable_page_ctor(page);
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return page;
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}
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static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
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{
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2011-07-26 08:12:20 +08:00
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free_page((unsigned long)pte);
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2008-07-18 12:55:51 +08:00
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}
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static inline void pte_free(struct mm_struct *mm, pgtable_t ptepage)
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{
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pgtable_page_dtor(ptepage);
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2011-07-26 08:12:20 +08:00
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__free_page(ptepage);
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2008-07-18 12:55:51 +08:00
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}
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#define pmd_populate_kernel(MM, PMD, PTE) pmd_set(PMD, PTE)
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#define pmd_populate(MM,PMD,PTE_PAGE) \
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pmd_populate_kernel(MM,PMD,page_address(PTE_PAGE))
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#define pmd_pgtable(pmd) pmd_page(pmd)
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2011-07-26 08:12:20 +08:00
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#define check_pgt_cache() do { } while (0)
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2008-07-18 12:55:51 +08:00
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2011-05-25 08:11:50 +08:00
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#define __pte_free_tlb(tlb, pte, addr) pte_free((tlb)->mm, pte)
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#define __pmd_free_tlb(tlb, pmd, addr) pmd_free((tlb)->mm, pmd)
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2008-07-18 12:55:51 +08:00
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#endif /* _SPARC64_PGALLOC_H */
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