Re: [PATCH 07/10] mm: base LRU balancing on an explicit cost model

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On Wed 08-06-16 12:16:05, Johannes Weiner wrote:
> On Wed, Jun 08, 2016 at 02:51:37PM +0200, Michal Hocko wrote:
> > On Mon 06-06-16 15:48:33, Johannes Weiner wrote:
> > > Rename struct zone_reclaim_stat to struct lru_cost, and move from two
> > > separate value ratios for the LRU lists to a relative LRU cost metric
> > > with a shared denominator.
> > 
> > I just do not like the too generic `number'. I guess cost or price would
> > fit better and look better in the code as well. Up you though...
> 
> Yeah, I picked it as a pair, numerator and denominator. But as Minchan
> points out, denom is superfluous in the final version of the patch, so
> I'm going to remove it and give the numerators better names.
> 
> anon_cost and file_cost?

Yes that is much more descriptive and easier to grep for. I didn't
propose that because I thought you would want to preserve the array
definition for an easier code to update them.

-- 
Michal Hocko
SUSE Labs

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