Re: [PATCH 2/4] vmscan: drop PF_SWAPWRITE from zone_reclaim

Rik van Riel
2009-05-13T13:37:30Z

KOSAKI Motohiro wrote:
> Subject: [PATCH] vmscan: drop PF_SWAPWRITE from zone_reclaim
>
> PF_SWAPWRITE mean ignore write congestion. (see may_write_to_queue())
>
> foreground reclaim shouldn't ignore it because to write congested device cause
> large IO lantency.
> it isn't better than remote node allocation.

It might be on NUMAQ (which is no longer manufactured), but
your change looks right for every other vaguely modern NUMA
architecture that I know of.

> Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
> Cc: Christoph Lameter <cl@linux-foundation.org>
> Cc: Rik van Riel <riel@redhat.com>

Acked-by: Rik van Riel <riel@redhat.com>

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