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SubjectRe: [PATCH 04/10] vmscan: Synchronous lumpy reclaim should not call congestion_wait()
On Mon, Sep 06, 2010 at 06:47:27PM +0800, Mel Gorman wrote:
> From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
>
> 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.

Reviewed-by: Wu Fengguang <fengguang.wu@intel.com>



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