linux-kernel - Re: [PATCH 1/3] Add a new field to struct shrinker

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Message-Id: <F072D3E2-0514-4A25-868E-2104610EC14A@gmail.com>
Date:	Wed, 20 Jul 2016 20:11:09 +0530
From:	Janani Ravichandran <janani.rvchndrn@...il.com>
To:	Michal Hocko <mhocko@...nel.org>
Cc:	Rik van Riel <riel@...riel.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	hannes@...xchg.org, vdavydov@...tuozzo.com, vbabka@...e.cz,
	mgorman@...hsingularity.net, kirill.shutemov@...ux.intel.com,
	bywxiaobai@....com
Subject: Re: [PATCH 1/3] Add a new field to struct shrinker


> On Jul 11, 2016, at 8:03 PM, Michal Hocko <mhocko@...nel.org> wrote:
> 
> On Mon 11-07-16 10:12:51, Rik van Riel wrote:
>> 
>> What mechanism do you have in mind for obtaining the name,
>> Michal?
> 
> Not sure whether tracing infrastructure allows printk like %ps. If not
> then it doesn't sound too hard to add.

It does allow %ps. Currently what is being printed is the function symbol 
of the callback using %pF. I’d like to know why %pF is used instead of
%ps in this case.

Michal, just to make sure I understand you correctly, do you mean that we
could infer the names of the shrinkers by looking at the names of their callbacks?

Janani.