Messages in this thread | | | Date | Fri, 2 Mar 2007 09:09:30 -0800 (PST) | From | Christoph Lameter <> | Subject | Re: The performance and behaviour of the anti-fragmentation related patches |
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On Fri, 2 Mar 2007, Nick Piggin wrote:
> > Oh just run a 32GB SMP system with sparsely freeable pages and lots of > > allocs and frees and you will see it too. F.e try Linus tree and mlock > > a large portion of the memory and then see the fun starting. See also > > Rik's list of pathological cases on this. > > Ah, so your problem is lots of unreclaimable pages. There are heaps > of things we can try to reduce the rate at which we scan those.
Well this is one possible sympton of the basic issue of having too many page structs. I wonder how long we can patch things up.
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