[PATCH] mm/compaction: fix the comment for try_to_compact_pages

[PATCH] mm/compaction: fix the comment for try_to_compact_pages

[Yang Shi]

"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anymore, it has been replaced by "prio".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@suse.cz>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Michal Hocko <mhocko@suse.com>
Signed-off-by: Yang Shi <yang.shi@linux.alibaba.com>
---
 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.
  */
-- 
1.8.3.1

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Re: [PATCH] mm/compaction: fix the comment for try_to_compact_pages

[Vlastimil Babka]

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 anymore, it has been replaced by "prio".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@suse.cz>
> Cc: Mel Gorman <mgorman@techsingularity.net>
> Cc: David Rientjes <rientjes@google.com>
> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
> Cc: Michal Hocko <mhocko@suse.com>
> Signed-off-by: Yang Shi <yang.shi@linux.alibaba.com>

Acked-by: Vlastimil Babka <vbabka@suse.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.
>   */
> 

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