Re: [PATCH 3/4] mm/hugetlb: remove hugetlb_prefault

From: Michal Hocko
Date: Wed May 22 2013 - 06:51:06 EST


On Wed 22-05-13 17:29:29, Wanpeng Li wrote:
> hugetlb_prefault are not used any more, this patch remove it.
>
> Signed-off-by: Wanpeng Li <liwanp@xxxxxxxxxxxxxxxxxx>

Reviewed-by: Michal Hocko <mhocko@xxxxxxx>

> ---
> include/linux/hugetlb.h | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
> index 6b4890f..a811149 100644
> --- a/include/linux/hugetlb.h
> +++ b/include/linux/hugetlb.h
> @@ -55,7 +55,6 @@ void __unmap_hugepage_range_final(struct mmu_gather *tlb,
> void __unmap_hugepage_range(struct mmu_gather *tlb, struct vm_area_struct *vma,
> unsigned long start, unsigned long end,
> struct page *ref_page);
> -int hugetlb_prefault(struct address_space *, struct vm_area_struct *);
> void hugetlb_report_meminfo(struct seq_file *);
> int hugetlb_report_node_meminfo(int, char *);
> void hugetlb_show_meminfo(void);
> @@ -110,7 +109,6 @@ static inline unsigned long hugetlb_total_pages(void)
> #define follow_hugetlb_page(m,v,p,vs,a,b,i,w) ({ BUG(); 0; })
> #define follow_huge_addr(mm, addr, write) ERR_PTR(-EINVAL)
> #define copy_hugetlb_page_range(src, dst, vma) ({ BUG(); 0; })
> -#define hugetlb_prefault(mapping, vma) ({ BUG(); 0; })
> static inline void hugetlb_report_meminfo(struct seq_file *m)
> {
> }
> --
> 1.8.1.2
>

--
Michal Hocko
SUSE Labs
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