[Devel] Re: [ckrm-tech] [PATCH 4/7] UBC: syscalls (user interface)

Kirill Korotaev dev at sw.ru
Mon Aug 21 06:35:25 PDT 2006


Andrew Morton wrote:
> I have this mad idea that you can divide a 128GB machine up into 256 fake
> NUMA nodes, then you use each "node" as a 512MB unit of memory allocation. 
> So that 4.5GB job would be placed within an exclusive cpuset which has nine
> "mems" (what are these called?) and voila: the job has a hard 4.5GB limit,
> no kernel changes needed.
this doesn't allow memory overcommitment, does it?

Kirill




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