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mm/hugetlb: remove hugetlb_prefault
hugetlb_prefault() is not used any more, this patch removes it. Signed-off-by: Wanpeng Li <liwanp@linux.vnet.ibm.com> Reviewed-by: Michal Hocko <mhocko@suse.cz> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -55,7 +55,6 @@ void __unmap_hugepage_range_final(struct mmu_gather *tlb,
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void __unmap_hugepage_range(struct mmu_gather *tlb, struct vm_area_struct *vma,
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unsigned long start, unsigned long end,
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struct page *ref_page);
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int hugetlb_prefault(struct address_space *, struct vm_area_struct *);
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void hugetlb_report_meminfo(struct seq_file *);
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int hugetlb_report_node_meminfo(int, char *);
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void hugetlb_show_meminfo(void);
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@ -114,7 +113,6 @@ static inline unsigned long hugetlb_total_pages(void)
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#define follow_hugetlb_page(m,v,p,vs,a,b,i,w) ({ BUG(); 0; })
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#define follow_huge_addr(mm, addr, write) ERR_PTR(-EINVAL)
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#define copy_hugetlb_page_range(src, dst, vma) ({ BUG(); 0; })
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#define hugetlb_prefault(mapping, vma) ({ BUG(); 0; })
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static inline void hugetlb_report_meminfo(struct seq_file *m)
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{
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}
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