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

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Message-ID: <20130328155109.GA13075@kroah.com>
Date:	Thu, 28 Mar 2013 08:51:09 -0700
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Naoya Horiguchi <n-horiguchi@...jp.nec.com>
Cc:	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 11:42:37AM -0400, Naoya Horiguchi wrote:
> Currently we fail to include any data on hugepages into coredump,
> because VM_DONTDUMP is set on hugetlbfs's vma. This behavior was recently
> introduced by commit 314e51b98 "mm: kill vma flag VM_RESERVED and
> mm->reserved_vm counter". This looks to me a serious regression,
> so let's fix it.
> 
> Signed-off-by: Naoya Horiguchi <n-horiguchi@...jp.nec.com>
> Cc: Konstantin Khlebnikov <khlebnikov@...nvz.org>
> ---
>  fs/hugetlbfs/inode.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)


<formletter>

This is not the correct way to submit patches for inclusion in the
stable kernel tree.  Please read Documentation/stable_kernel_rules.txt
for how to do this properly.

</formletter>
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