linux-kernel - Re: [PATCH] mm: convert totalram_pages, totalhigh_pages and managed

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Message-ID: <0e1fc40af360ed55fd32784f6973af5940232f99.camel@perches.com>
Date:   Tue, 23 Oct 2018 23:26:16 -0700
From:   Joe Perches <joe@...ches.com>
To:     Michal Hocko <mhocko@...nel.org>, Arun KS <arunks@...eaurora.org>
Cc:     Kees Cook <keescook@...omium.org>,
        Konstantin Khlebnikov <khlebnikov@...dex-team.ru>,
        LKML <linux-kernel@...r.kernel.org>,
        linux-mm <linux-mm@...ck.org>, Minchan Kim <minchan@...nel.org>,
        Arun Sudhilal <getarunks@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] mm: convert totalram_pages, totalhigh_pages and
 managed_pages to atomic.

On Wed, 2018-10-24 at 08:15 +0200, Michal Hocko wrote:
> On Wed 24-10-18 10:47:52, Arun KS wrote:
> > On 2018-10-24 01:34, Kees Cook wrote:
> [...]
> > > Thank you -- I was struggling to figure out the best way to reply to
> > > this. :)
> > I'm sorry for the trouble caused. Sent the email using,
> > git send-email  --to-cmd="scripts/get_maintainer.pl -i"
> > 0001-convert-totalram_pages-totalhigh_pages-and-managed_p.patch
> > 
> > Is this not a recommended approach?
> 
> Not really for tree wide mechanical changes. It is much more preferrable
> IMHO to only CC people who should review the intention of the change
> rather than each and every maintainer whose code is going to be changed.
> This is a case by case thing of course but as soon as you see a giant CC
> list from get_maintainer.pl then you should try to think twice to use
> it. If not sure, just ask on the mailing list.

Generally, it's better to use scripts to control
the --to-cmd and --cc-cmd options.

Something like what I detailed here:

https://lkml.org/lkml/2016/9/14/482