linux-kernel - Re: [PATCH v3 2/4] mm: remove unused pagevec

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Date:	Sun, 13 Nov 2011 17:46:10 -0800 (PST)
From:	Hugh Dickins <hughd@...gle.com>
To:	Konstantin Khlebnikov <khlebnikov@...nvz.org>
cc:	linux-mm@...ck.org, Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, Minchan Kim <minchan.kim@...il.com>
Subject: Re: [PATCH v3 2/4] mm: remove unused pagevec_free

On Fri, 11 Nov 2011, Konstantin Khlebnikov wrote:

> It not exported and now nobody use it.
> 
> Signed-off-by: Konstantin Khlebnikov <khlebnikov@...nvz.org>

Acked-by: Hugh Dickins <hughd@...gle.com>

> ---
>  include/linux/pagevec.h |    7 -------
>  mm/page_alloc.c         |   10 ----------
>  2 files changed, 0 insertions(+), 17 deletions(-)
> 
> diff --git a/include/linux/pagevec.h b/include/linux/pagevec.h
> index bab82f4..ed17024 100644
> --- a/include/linux/pagevec.h
> +++ b/include/linux/pagevec.h
> @@ -21,7 +21,6 @@ struct pagevec {
>  };
>  
>  void __pagevec_release(struct pagevec *pvec);
> -void __pagevec_free(struct pagevec *pvec);
>  void ____pagevec_lru_add(struct pagevec *pvec, enum lru_list lru);
>  void pagevec_strip(struct pagevec *pvec);
>  unsigned pagevec_lookup(struct pagevec *pvec, struct address_space *mapping,
> @@ -67,12 +66,6 @@ static inline void pagevec_release(struct pagevec *pvec)
>  		__pagevec_release(pvec);
>  }
>  
> -static inline void pagevec_free(struct pagevec *pvec)
> -{
> -	if (pagevec_count(pvec))
> -		__pagevec_free(pvec);
> -}
> -
>  static inline void __pagevec_lru_add_anon(struct pagevec *pvec)
>  {
>  	____pagevec_lru_add(pvec, LRU_INACTIVE_ANON);
> diff --git a/mm/page_alloc.c b/mm/page_alloc.c
> index 5093114..0562d85 100644
> --- a/mm/page_alloc.c
> +++ b/mm/page_alloc.c
> @@ -2341,16 +2341,6 @@ unsigned long get_zeroed_page(gfp_t gfp_mask)
>  }
>  EXPORT_SYMBOL(get_zeroed_page);
>  
> -void __pagevec_free(struct pagevec *pvec)
> -{
> -	int i = pagevec_count(pvec);
> -
> -	while (--i >= 0) {
> -		trace_mm_pagevec_free(pvec->pages[i], pvec->cold);
> -		free_hot_cold_page(pvec->pages[i], pvec->cold);
> -	}
> -}
> -
>  void __free_pages(struct page *page, unsigned int order)
>  {
>  	if (put_page_testzero(page)) {
> 
> 
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