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SubjectRe: 2.6.26-rc: nfsd hangs for a few sec
On Sun, 22 Jun 2008, Mel Gorman wrote:

> > Before the change we walk all zones of the zonelist.
> >
>
> Yeah, but the zonelist is for GFP_KERNEL so it should not include the HIGHMEM
> zones, right? The key change is that after the patch there are fewer zonelists
> than get filtered.

But the HIGHMEM zones etc were included before. There was no check for
HIGHMEM etc there. The gfpmask was ignored.

> I think the effect of that patch is that zones get shrunk that have
> nothing to do with the requestors requirements. Right?

Right. AFAICT That was the behavior before the change.


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