Re: [PATCH 05/12] vmscan: kill prev_priority completely

[Rik van Riel]

On 06/14/2010 07:17 AM, Mel Gorman wrote:
> From: KOSAKI Motohiro<kosaki.motohiro@xxxxxxxxxxxxxx>
>
> Since 2.6.28 zone->prev_priority is unused. Then it can be removed
> safely. It reduce stack usage slightly.
>
> Now I have to say that I'm sorry. 2 years ago, I thought prev_priority
> can be integrate again, it's useful. but four (or more) times trying
> haven't got good performance number. Thus I give up such approach.
>
> Signed-off-by: KOSAKI Motohiro<kosaki.motohiro@xxxxxxxxxxxxxx>
> Reviewed-by: Johannes Weiner<hannes@xxxxxxxxxxx>
> Signed-off-by: Mel Gorman<mel@xxxxxxxxx>

Reviewed-by: Rik van Riel <riel@xxxxxxxxxx>

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