Messages in this thread | | | Date | Sun, 3 Apr 2011 13:45:15 -0500 (CDT) | From | Christoph Lameter <> | Subject | Re: [PATCH 0/3] Unmapped page cache control (v5) |
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On Sun, 3 Apr 2011, KOSAKI Motohiro wrote:
> 1) Some bios don't have such knob. btw, OK, yes, *I* can switch NUMA off completely > because I don't have such bios. 2) bios level turning off makes some side effects, > example, scheduler load balancing don't care numa anymore.
Well then lets add a kernel parameter that switches all NUMA off. Otherwise: If you just run a kernel build without NUMA support then you have a similar effect.
Re #2) If you have the system toss processes around the system then the load balancing heuristics does not bring you any benefit.
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