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Date: Thu, 17 Oct 2013 12:12:15 -0700
From: Andrew Morton <akpm@linux-foundation.org>
To: David Rientjes <rientjes@google.com>
Cc: Joe Perches <joe@perches.com>,
        Anton Vorontsov <anton.vorontsov@linaro.org>,
        Michal Hocko <mhocko@suse.cz>,
        "Kirill A. Shutemov" <kirill@shutemov.name>,
        linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [bug] get_maintainer.pl incomplete output
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On Wed, 16 Oct 2013 20:51:18 -0700 (PDT) David Rientjes <rientjes@google.com> wrote:

> I haven't looked closely at scripts/get_maintainer.pl, but I recently 
> wrote a patch touching mm/vmpressure.c and it doesn't list the file's 
> author, Anton Vorontsov <anton.vorontsov@linaro.org>.
> 
> Even when I do scripts/get_maintainer.pl -f mm/vmpressure.c, his entry is 
> missing and git blame attributs >90% of the lines to his authorship.
> 
> $ ./scripts/get_maintainer.pl -f mm/vmpressure.c 
> Tejun Heo <tj@kernel.org> (commit_signer:6/7=86%)
> Michal Hocko <mhocko@suse.cz> (commit_signer:5/7=71%)
> Andrew Morton <akpm@linux-foundation.org> (commit_signer:4/7=57%)
> Li Zefan <lizefan@huawei.com> (commit_signer:3/7=43%)
> "Kirill A. Shutemov" <kirill@shutemov.name> (commit_signer:1/7=14%)
> linux-mm@kvack.org (open list:MEMORY MANAGEMENT)
> linux-kernel@vger.kernel.org (open list)

get_maintainer should, by default, answer the question "who should I
email about this file".  It clearly isn't doing this, and that's a
pretty big fail.

I've learned not to trust it, so when I use it I always have to check
its homework with "git log | grep Author" :(

Joe, pretty please?