Re: [PATCH] proc: add percpu populated pages count to meminfo

From: Dennis Zhou
Date: Tue Aug 07 2018 - 11:22:14 EST


Hi Tejun,

On Tue, Aug 07, 2018 at 08:11:46AM -0700, Tejun Heo wrote:
> Hello,
>
> On Tue, Aug 07, 2018 at 02:12:06PM +0000, Christopher Lameter wrote:
> > > @@ -121,6 +122,7 @@ static int meminfo_proc_show(struct seq_file *m, void *v)
> > > (unsigned long)VMALLOC_TOTAL >> 10);
> > > show_val_kb(m, "VmallocUsed: ", 0ul);
> > > show_val_kb(m, "VmallocChunk: ", 0ul);
> > > + show_val_kb(m, "PercpuPopulated:", pcpu_nr_populated_pages());
> >
> > Populated? Can we avoid this for simplicities sake: "Percpu"?
> >
> > We do not count pages that are not present elsewhere either and those
> > counters do not have "populated" in them.
>
> Yeah, let's do "Percpu".
>

Sounds good, I've dropped populated.

Thanks,
Dennis