Re: kmalloc optimization

From: Mark Hemment (
Date: Sun Aug 27 2000 - 11:59:01 EST


> > > 1500bytes slab unfortunately is not too useful, because it does not fit well
> > > in 4K pages (you would need 8K or 16K page allocations, which the mm system
> > > does not like much due to fragmentation)
> >
> > Doesn't matter (too much).
> On 32MB machines it was a big problem in my experiments.

Opps, I didn't make myself clear.
I meant it matters less with the new allocator I'm working on, as it can
use different page orders for slabs within the same cache. This mixing
gives a good trade off in memory/performance - my 16MB machine doesn't
fall over (at least not so often).
I keep promising to get the allocator's source out - I must try harder!


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