2008-04-28 09:13:27 +00:00
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#ifndef _ASM_X86_HUGETLB_H
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#define _ASM_X86_HUGETLB_H
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#include <asm/page.h>
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static inline int is_hugepage_only_range(struct mm_struct *mm,
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unsigned long addr,
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unsigned long len) {
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return 0;
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}
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/*
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* If the arch doesn't supply something else, assume that hugepage
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* size aligned regions are ok without further preparation.
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*/
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static inline int prepare_hugepage_range(unsigned long addr, unsigned long len)
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{
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if (len & ~HPAGE_MASK)
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return -EINVAL;
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if (addr & ~HPAGE_MASK)
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return -EINVAL;
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return 0;
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}
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static inline void hugetlb_prefault_arch_hook(struct mm_struct *mm) {
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}
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static inline void hugetlb_free_pgd_range(struct mmu_gather **tlb,
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unsigned long addr, unsigned long end,
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unsigned long floor,
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unsigned long ceiling)
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{
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free_pgd_range(tlb, addr, end, floor, ceiling);
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}
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static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
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pte_t *ptep, pte_t pte)
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{
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set_pte_at(mm, addr, ptep, pte);
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}
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static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
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unsigned long addr, pte_t *ptep)
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{
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return ptep_get_and_clear(mm, addr, ptep);
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}
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2008-04-28 09:13:28 +00:00
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static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
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unsigned long addr, pte_t *ptep)
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{
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}
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2008-04-28 09:13:27 +00:00
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#endif /* _ASM_X86_HUGETLB_H */
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