Re: [PATCH 2/2] zsmalloc: fine-grained inuse ratio based fullness grouping

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On (23/02/09 21:15), Yosry Ahmed wrote:
> > > > I can get rid of static const arrays and pass "begin / end" group IDs to
> > > > functions that iterate fullness lists and pick the first head page, but
> > > > I think that enum values will stay.
> > >
> > > Do they have to stay for a technical reason or just to make reviews simpler?
> >
> > We need to be able to do zs_stat_get(class, CLASS_USAGE_70) or
> > zs_stat_get(class, CLASS_USAGE_10) in zs_stats_size_show() to
> > show class's fullness stats.
> 
> If we use #define FULLNESS_GROUPS 10 for example, we can break down
> struct zs_size_stat from a single array to two arrays, one of the for
> fullness groups and the other one for the rest of the stats (e.g.
> OBJ_USED). We can have different helpers to update each, the former
> taking in a fullness value (0 to FULLNESS_GROUPS-1), and the latter an
> enum. WDYT?

You don't like them enums ;) Yeah, this probably can work. I'll take a
look for v2.




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