linux-kernel - Re: [PATCH 1/2] hugetlbfs: stop setting VM_DONTDUMP in initializing vma(VM

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Message-ID: <20130328193901.GQ9079@decadent.org.uk>
Date:	Thu, 28 Mar 2013 19:39:01 +0000
From:	Ben Hutchings <ben@...adent.org.uk>
To:	Naoya Horiguchi <n-horiguchi@...jp.nec.com>
Cc:	Greg KH <gregkh@...uxfoundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Mel Gorman <mgorman@...e.de>, Hugh Dickins <hughd@...gle.com>,
	Rik van Riel <riel@...hat.com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	stable@...r.kernel.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	Konstantin Khlebnikov <khlebnikov@...nvz.org>
Subject: Re: [PATCH 1/2] hugetlbfs: stop setting VM_DONTDUMP in
 initializing vma(VM_HUGETLB)

On Thu, Mar 28, 2013 at 12:04:29PM -0400, Naoya Horiguchi wrote:
[...]
> I guess you mean this patch violates one/both of these rules:
> 
>  - It must fix a problem that causes a build error (but not for things
>    marked CONFIG_BROKEN), an oops, a hang, data corruption, a real
>    security issue, or some "oh, that's not good" issue.  In short, something
>    critical.
>  - It or an equivalent fix must already exist in Linus' tree (upstream).
> 
> I'm not sure if the problem "we can't get any hugepage in coredump"
> is considered as 'some "oh, that's not good" issue'.
> But yes, it's not a critical one.
> If you mean I violated the second rule, sorry, I'll get it into upstream first.
 
The second rule is the clear one.  If you are submitting a patch to
a subsystem maintainer and you want it to go into stable branches as
well, you must put 'Cc: stable@...r.kernel.org' in the commit message,
not just the mail header.

Ben.

-- 
Ben Hutchings
We get into the habit of living before acquiring the habit of thinking.
                                                              - Albert Camus
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