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>
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