linux-kernel - Re: [PATCH] mm: remove unused page state adjustment macro

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Date:   Fri, 14 Dec 2018 09:24:33 +0100
From:   Michal Hocko <mhocko@...nel.org>
To:     Wei Yang <richard.weiyang@...il.com>
Cc:     linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        akpm@...ux-foundation.org
Subject: Re: [PATCH] mm: remove unused page state adjustment macro

On Fri 14-12-18 14:32:11, Wei Yang wrote:
> These four macro are not used anymore.
> 
> Just remove them.
> 
> Signed-off-by: Wei Yang <richard.weiyang@...il.com>

Acked-by: Michal Hocko <mhocko@...e.com>

> ---
>  include/linux/vmstat.h | 5 -----
>  1 file changed, 5 deletions(-)
> 
> diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
> index f25cef84b41d..2db8d60981fe 100644
> --- a/include/linux/vmstat.h
> +++ b/include/linux/vmstat.h
> @@ -239,11 +239,6 @@ extern unsigned long node_page_state(struct pglist_data *pgdat,
>  #define node_page_state(node, item) global_node_page_state(item)
>  #endif /* CONFIG_NUMA */
>  
> -#define add_zone_page_state(__z, __i, __d) mod_zone_page_state(__z, __i, __d)
> -#define sub_zone_page_state(__z, __i, __d) mod_zone_page_state(__z, __i, -(__d))
> -#define add_node_page_state(__p, __i, __d) mod_node_page_state(__p, __i, __d)
> -#define sub_node_page_state(__p, __i, __d) mod_node_page_state(__p, __i, -(__d))
> -
>  #ifdef CONFIG_SMP
>  void __mod_zone_page_state(struct zone *, enum zone_stat_item item, long);
>  void __inc_zone_page_state(struct page *, enum zone_stat_item);
> -- 
> 2.15.1
> 

-- 
Michal Hocko
SUSE Labs