Re: [PATCH 0/2] pdflush fix and enhancement

[Andi Kleen]

Peter W Morreale <pmorreale@xxxxxxxxxx> writes:

> The following series implements a fix for pdflush thread creation and an
> enhancement for allowing the setting of the minimum and maximun number
> of pdflush threads. 

You forgot to state why the admin should control that?

Each sysctl essentially presents a failure of the automatic tuning
algorithms of the kernel (kernel hackers admitting defeat). 

So a patch adding new ones at least needs a clear rationale what
problem it is trying to fix and why the automatic tuning cannot be
fixed instead to address this case without new knobs.

-Andi

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