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

From: Ingo Molnar (
Date: Fri May 12 2000 - 11:40:52 EST

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.)


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