Hi Andrew,
> > > on X86, ZONE_DMA is very very small.
> > > It is often no used at all.
> >
> > In that case page-reclaim is supposed to set all_unreclaimable and
> > basically ignores the zone altogether until it looks like something might
> > have changed.
> >
> > Is that code not working? (
Hi Andrew
> > on X86, ZONE_DMA is very very small.
> > It is often no used at all.
>
> In that case page-reclaim is supposed to set all_unreclaimable and
> basically ignores the zone altogether until it looks like something might
> have changed.
>
> Is that code not working? (quite possible).
On Fri, 18 Jan 2008 15:34:33 +0900 KOSAKI Motohiro <[EMAIL PROTECTED]> wrote:
> Hi
>
> on X86, ZONE_DMA is very very small.
> It is often no used at all.
In that case page-reclaim is supposed to set all_unreclaimable and
basically ignores the zone altogether until it looks like something might
Hi
on X86, ZONE_DMA is very very small.
It is often no used at all.
Unfortunately,
when NR_ACTIVE==0, NR_INACTIVE==0, shrink_zone() try to reclaim 1 page.
because
zone->nr_scan_active +=
(zone_page_state(zone, NR_ACTIVE) >> priority) + 1;
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