Re: [PATCH -next 0/5] rbtree: optimize frequent tree walks

From: Mark Brown
Date: Tue Feb 11 2020 - 06:20:19 EST


On Mon, Feb 10, 2020 at 07:56:11AM -0800, Davidlohr Bueso wrote:
> On Sun, 09 Feb 2020, Andrew Morton wrote:

> > And... are these patches really worth merging? Complexity is added,
> > but what end-user benefit can we expect?

> Yes they are worth merging, imo (which of course is biased :)

> I don't think there is too much added complexity overall, particularly
> considering that the user conversions are rather trivial. And even for
> small trees (ie 100 nodes) we still benefit in a measurable way from
> these optimizations.

As I said in reply to the regmap patch I'm really unconvinced that any
benefit will outweigh the increased memory costs for that usage.

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