Re: [PATCH 09/12] mm: count unstable pages per BDI

[Peter Zijlstra]

On Thu, 2007-04-19 at 19:44 +0200, Miklos Szeredi wrote:
> > Count per BDI unstable pages.
> > 
> 
> I'm wondering, is it really worth having this category separate from
> per BDI brity pages?
> 
> With the exception of the export to sysfs, always the sum of unstable
> + dirty is used.

I guess you are right, but it offends my sense of aesthetics to break
symmetry with the zone statistics. However, it has the added advantage
of only needing 2 deltas as well.

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