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

From: Dave Hansen
Date: Fri Aug 18 2006 - 13:26:57 EST

On Fri, 2006-08-18 at 09:42 -0700, 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.

Is this similar to Mel Gorman's zone-based anti-fragmentation approach?
I thought he was discouraged from pursuing that at the VM summit.

-- Dave

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