Re: [PATCH 05/10] vmscan: Synchrounous lumpy reclaim uselock_page() instead trylock_page()

[KAMEZAWA Hiroyuki]

On Thu, 9 Sep 2010 12:04:48 +0900
KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> wrote:

> On Mon,  6 Sep 2010 11:47:28 +0100
> Mel Gorman <mel@xxxxxxxxx> wrote:
> 
> > From: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
> > 
> > With synchrounous lumpy reclaim, there is no reason to give up to reclaim
> > pages even if page is locked. This patch uses lock_page() instead of
> > trylock_page() in this case.
> > 
> > Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
> > Signed-off-by: Mel Gorman <mel@xxxxxxxxx>
> 
> Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
> 
Ah......but can't this change cause dead lock ??

Thanks,
-Kame

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