Re: [PATCH] mm: don't show nr_indirectly_reclaimable in /proc/vmstat

[David Rientjes]

On Wed, 25 Apr 2018, Roman Gushchin wrote:

> > > Don't show nr_indirectly_reclaimable in /proc/vmstat,
> > > because there is no need in exporting this vm counter
> > > to the userspace, and some changes are expected
> > > in reclaimable object accounting, which can alter
> > > this counter.
> > > 
> > 
> > I don't think it should be a per-node vmstat, in this case.  It appears 
> > only to be used for the global context.  Shouldn't this be handled like 
> > totalram_pages, total_swap_pages, totalreserve_pages, etc?
> 
> Hi, David!
> 
> I don't see any reasons why re-using existing infrastructure for
> fast vm counters is bad, and why should we re-invent it for this case.
> 

Because now you have to modify the existing infrastructure for something 
that shouldn't be a vmstat in the first place?