linux-kernel - Re: [PATCH v4 2/2] mm: hugetlb: proc: add HugetlbPages field to /proc/PID/status

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Message-ID: <20150813211333.GD8588@Sligo.logfs.org>
Date:	Thu, 13 Aug 2015 14:13:33 -0700
From:	Jörn Engel <joern@...estorage.com>
To:	David Rientjes <rientjes@...gle.com>
Cc:	Naoya Horiguchi <n-horiguchi@...jp.nec.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Mike Kravetz <mike.kravetz@...cle.com>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Naoya Horiguchi <nao.horiguchi@...il.com>
Subject: Re: [PATCH v4 2/2] mm: hugetlb: proc: add HugetlbPages field to
 /proc/PID/status

On Wed, Aug 12, 2015 at 01:30:27PM -0700, David Rientjes wrote:
> 
> I'd be interested in the comments of others, though, to see if there is 
> any reservation about the hstate size breakdown.  It may actually find no 
> current customer who is interested in parsing it.  (If we keep it, I would 
> suggest the 'x' change to '*' similar to per-order breakdowns in 
> show_mem()).  It may also be possible to add it later if a definitive 
> usecase is presented.

I have no interest in parsing the size breakdown today.  I might change
my mind tomorrow and having the extra information hurts very little, so
I won't argue against it either.

> But overall I'm very happy with the new addition and think it's a good 
> solution to the problem.

Agreed.  Thank you!

Jörn

--
One of the painful things about our time is that those who feel certainty
are stupid, and those with any imagination and understanding are filled
with doubt and indecision.
-- Bertrand Russell
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