On Tue, 2011-09-13 at 23:04 +0800, Christoph Lameter wrote:

Sorry to be that late with a response but my email setup is screwed
up.

I was more thinking about the number of slab pages in the partial
caches rather than the size of the objects itself being an issue. I
believe that was /sys/kernel/slab/*/cpu_partial.

That setting could be tuned further before merging. An increase there
causes additional memory to be caught in the partial list. But it
reduces the node lock pressure further.

Yeah, I think so. The more cpu partial page, the quicker to getting
slabs. Maybe it's better to considerate the system memory size to set
them. Do you has some plan or suggestions on tunning? 




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