72 строки
1.6 KiB
C
72 строки
1.6 KiB
C
/* $Id: pgalloc.h,v 1.30 2001/12/21 04:56:17 davem Exp $ */
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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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extern struct kmem_cache *pgtable_cache;
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static inline pgd_t *pgd_alloc(struct mm_struct *mm)
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{
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return kmem_cache_alloc(pgtable_cache, GFP_KERNEL);
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}
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static inline void pgd_free(pgd_t *pgd)
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{
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kmem_cache_free(pgtable_cache, pgd);
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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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return kmem_cache_alloc(pgtable_cache,
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GFP_KERNEL|__GFP_REPEAT);
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}
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static inline void pmd_free(pmd_t *pmd)
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{
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kmem_cache_free(pgtable_cache, pmd);
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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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return kmem_cache_alloc(pgtable_cache,
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GFP_KERNEL|__GFP_REPEAT);
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}
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static inline struct page *pte_alloc_one(struct mm_struct *mm,
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unsigned long address)
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{
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return virt_to_page(pte_alloc_one_kernel(mm, address));
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}
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static inline void pte_free_kernel(pte_t *pte)
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{
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kmem_cache_free(pgtable_cache, pte);
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}
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static inline void pte_free(struct page *ptepage)
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{
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pte_free_kernel(page_address(ptepage));
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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 check_pgt_cache() do { } while (0)
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#endif /* _SPARC64_PGALLOC_H */
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