linux-kernel - Re: [PATCH 3/4] mm/hugetlb: remove hugetlb

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Date:	Wed, 22 May 2013 12:50:57 +0200
From:	Michal Hocko <mhocko@...e.cz>
To:	Wanpeng Li <liwanp@...ux.vnet.ibm.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	David Rientjes <rientjes@...gle.com>,
	Jiang Liu <jiang.liu@...wei.com>,
	Tang Chen <tangchen@...fujitsu.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/4] mm/hugetlb: remove hugetlb_prefault

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@...ux.vnet.ibm.com>

Reviewed-by: Michal Hocko <mhocko@...e.cz>

> ---
>  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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