linux-kernel - Re: [PATCH] mm/compaction: fix the comment for try_to_compact

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Message-ID: <149a38e1-a8cc-1029-eb68-5cce1fa39496@suse.cz>
Date:   Wed, 17 Jan 2018 09:43:32 +0100
From:   Vlastimil Babka <vbabka@...e.cz>
To:     Yang Shi <yang.shi@...ux.alibaba.com>, akpm@...ux-foundation.org
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        Mel Gorman <mgorman@...hsingularity.net>,
        David Rientjes <rientjes@...gle.com>,
        Joonsoo Kim <iamjoonsoo.kim@....com>,
        Michal Hocko <mhocko@...e.com>
Subject: Re: [PATCH] mm/compaction: fix the comment for try_to_compact_pages

On 01/13/2018 12:55 AM, Yang Shi wrote:
> "mode" argument is not used by try_to_compact_pages() and sub functions
> anymore, it has been replaced by "prio". Fix the comment to explain the
> use of "prio" argument.
> 
> Cc: Vlastimil Babka <vbabka@...e.cz>
> Cc: Mel Gorman <mgorman@...hsingularity.net>
> Cc: David Rientjes <rientjes@...gle.com>
> Cc: Joonsoo Kim <iamjoonsoo.kim@....com>
> Cc: Michal Hocko <mhocko@...e.com>
> Signed-off-by: Yang Shi <yang.shi@...ux.alibaba.com>

Acked-by: Vlastimil Babka <vbabka@...e.cz>

> ---
>  mm/compaction.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/mm/compaction.c b/mm/compaction.c
> index 10cd757..2c8999d 100644
> --- a/mm/compaction.c
> +++ b/mm/compaction.c
> @@ -1738,7 +1738,7 @@ static enum compact_result compact_zone_order(struct zone *zone, int order,
>   * @order: The order of the current allocation
>   * @alloc_flags: The allocation flags of the current allocation
>   * @ac: The context of current allocation
> - * @mode: The migration mode for async, sync light, or sync migration
> + * @prio: Determines how hard direct compaction should try to succeed
>   *
>   * This is the main entry point for direct page compaction.
>   */
>