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Date:   Tue, 7 Aug 2018 08:11:46 -0700
From:   Tejun Heo <tj@kernel.org>
To:     Christopher Lameter <cl@linux.com>
Cc:     Dennis Zhou <dennisszhou@gmail.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Johannes Weiner <hannes@cmpxchg.org>,
        Roman Gushchin <guro@fb.com>, kernel-team@fb.com,
        linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] proc: add percpu populated pages count to meminfo
Message-ID: <20180807151146.GB3978217@devbig004.ftw2.facebook.com>
References: <20180807005607.53950-1-dennisszhou@gmail.com>
 <0100016514bb069d-a6532c9a-b1ca-4eba-8644-c5b3935e3bd8-000000@email.amazonses.com>
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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".

Thanks.

-- 
tejun