linux-kernel - Re: [PATCH v3 2/5] mm: access zone->node via zone_to_nid() and zone_set

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Message-ID: <20180726175212.GQ28386@dhcp22.suse.cz>
Date:   Thu, 26 Jul 2018 19:52:12 +0200
From:   Michal Hocko <mhocko@...nel.org>
To:     Pavel Tatashin <pasha.tatashin@...cle.com>
Cc:     osalvador@...hadventures.net,
        Andrew Morton <akpm@...ux-foundation.org>,
        Vlastimil Babka <vbabka@...e.cz>, mgorman@...hsingularity.net,
        aaron.lu@...el.com, iamjoonsoo.kim@....com,
        Linux Memory Management List <linux-mm@...ck.org>,
        LKML <linux-kernel@...r.kernel.org>, dan.j.williams@...el.com,
        osalvador@...e.de
Subject: Re: [PATCH v3 2/5] mm: access zone->node via zone_to_nid() and
 zone_set_nid()

On Thu 26-07-18 13:18:46, Pavel Tatashin wrote:
> > > OpenGrok was used to find places where zone->node is accessed. A public one
> > > is available here: http://src.illumos.org/source/
> >
> > I assume that tool uses some pattern matching or similar so steps to use
> > the tool to get your results would be more helpful. This is basically
> > the same thing as coccinelle generated patches.
> 
> OpenGrok is very easy to use, it is source browser, similar to cscope
> except obviously you can't edit the browsed code. I could have used
> cscope just as well here.

OK, then I misunderstood. I thought it was some kind of c aware grep
that found all the usage for you. If this is cscope like then it is not
worth mentioning in the changelog. 
-- 
Michal Hocko
SUSE Labs