Date: Thu, 11 Apr 2013 09:08:40 +0200
From: Michal Hocko <mhocko@suse.cz>
To: David Rientjes <rientjes@google.com>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Mel Gorman <mgorman@suse.de>, Hugh Dickins <hughd@google.com>,
        Rik van Riel <riel@redhat.com>,
        KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
        Konstantin Khlebnikov <khlebnikov@openvz.org>,
        HATAYAMA Daisuke <d.hatayama@jp.fujitsu.com>, linux-mm@kvack.org,
        linux-kernel@vger.kernel.org
Subject: Re: [RESEND][PATCH v5 2/3] fix hugetlb memory check in
 vma_dump_size()
Message-ID: <20130411070832.GA1488@dhcp22.suse.cz>
References: <1365610669-16625-1-git-send-email-n-horiguchi@ah.jp.nec.com>
 <1365610669-16625-3-git-send-email-n-horiguchi@ah.jp.nec.com>
 <alpine.DEB.2.02.1304101448390.1526@chino.kir.corp.google.com>
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On Wed 10-04-13 14:49:07, David Rientjes wrote:
> On Wed, 10 Apr 2013, Naoya Horiguchi wrote:
> 
> > Documentation/filesystems/proc.txt says about coredump_filter bitmask,
> > 
> >   Note bit 0-4 doesn't effect any hugetlb memory. hugetlb memory are only
> >   effected by bit 5-6.
> > 
> > However current code can go into the subsequent flag checks of bit 0-4
> > for vma(VM_HUGETLB). So this patch inserts 'return' and makes it work
> > as written in the document.
> > 
> > Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
> > Reviewed-by: Rik van Riel <riel@redhat.com>
> > Acked-by: Michal Hocko <mhocko@suse.cz>
> > Reviewed-by: HATAYAMA Daisuke <d.hatayama@jp.fujitsu.com>
> > Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
> > Cc: stable@vger.kernel.org
> 
> Acked-by: David Rientjes <rientjes@google.com>
> 
> Stable for 2.6.34+.

I think it is only 3.7+ as well because VM_RESERVED stopped use before
(314e51b9).

-- 
Michal Hocko
SUSE Labs
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