Re: [patch] balanced highmem subsystem under pre7-9

From: Rik van Riel (riel@conectiva.com.br)
Date: Fri May 12 2000 - 12:15:22 EST


On Fri, 12 May 2000, Ingo Molnar wrote:
> On Fri, 12 May 2000, Rik van Riel wrote:
>
> > But we *can* split the HIGHMEM zone into a bunch of smaller
> > ones without affecting performance. Just set zone->pages_min
> > and zone->pages_low to 0 and zone->pages_high to some smallish
> > value. Then we can teach the allocator to skip the zone if:
> > 1) no obscenely large amount of free pages
> > 2) zone is locked by somebody else (TryLock(zone->lock))
>
> whats the point of this splitup? (i suspect there is a point, i
> just cannot see it now. thanks.)

There's not much point in doing so. This is basically
just a reply to Andrea's "but you can't do _this_ with
the current approach" remark ;)

Rik

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