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

[Peter Zijlstra]

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.
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