Re: [PATCH 05/18] writeback: per task dirty rate limit

[Wu Fengguang]

On Wed, Sep 07, 2011 at 03:31:56PM +0800, Peter Zijlstra wrote:
> On Wed, 2011-09-07 at 09:04 +0800, Wu Fengguang wrote:
> 
> > So the sqrt naturally leads to less overheads and more N tolerance for
> > large memory servers, which have large (thresh-freerun) gaps.
> 
> Thanks, and as you say its an initial guess, later refined using patch
> 14.

Yes, exactly.
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