Re: [PATCH 04/10] vmscan: Synchronous lumpy reclaim should not callcongestion_wait()

From: KAMEZAWA Hiroyuki
Date: Wed Sep 08 2010 - 23:09:05 EST


On Mon, 6 Sep 2010 11:47:27 +0100
Mel Gorman <mel@xxxxxxxxx> wrote:

> From: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
>
> congestion_wait() mean "waiting queue congestion is cleared". However,
> synchronous lumpy reclaim does not need this congestion_wait() as
> shrink_page_list(PAGEOUT_IO_SYNC) uses wait_on_page_writeback()
> and it provides the necessary waiting.
>
> Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
> Signed-off-by: Mel Gorman <mel@xxxxxxxxx>

Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>

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