From: David Rientjes <rientjes@google.com>
To: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: 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>,
Michal Hocko <mhocko@suse.cz>,
HATAYAMA Daisuke <d.hatayama@jp.fujitsu.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [RESEND][PATCH v5 1/3] hugetlbfs: stop setting VM_DONTDUMP in initializing vma(VM_HUGETLB)
Date: Wed, 10 Apr 2013 14:46:07 -0700 (PDT) [thread overview]
Message-ID: <alpine.DEB.2.02.1304101445520.1526@chino.kir.corp.google.com> (raw)
In-Reply-To: <1365610669-16625-2-git-send-email-n-horiguchi@ah.jp.nec.com>
On Wed, 10 Apr 2013, 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.
>
> ChangeLog v3:
> - move 'return 0' into a separate patch
>
> ChangeLog v2:
> - add 'return 0' in hugepage memory check
>
> Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
> Acked-by: Konstantin Khlebnikov <khlebnikov@openvz.org>
> Acked-by: Michal Hocko <mhocko@suse.cz>
> Reviewed-by: Rik van Riel <riel@redhat.com>
> Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
> Cc: stable@vger.kernel.org
Acked-by: David Rientjes <rientjes@google.com>
Stable for 3.7+.
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next prev parent reply other threads:[~2013-04-10 21:46 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-10 16:17 [RESEND][PATCH v5 0/3] fix hugepage coredump Naoya Horiguchi
2013-04-10 16:17 ` [RESEND][PATCH v5 1/3] hugetlbfs: stop setting VM_DONTDUMP in initializing vma(VM_HUGETLB) Naoya Horiguchi
2013-04-10 21:46 ` David Rientjes [this message]
2013-04-10 16:17 ` [RESEND][PATCH v5 2/3] fix hugetlb memory check in vma_dump_size() Naoya Horiguchi
2013-04-10 21:49 ` David Rientjes
2013-04-11 7:08 ` Michal Hocko
2013-04-10 16:17 ` [RESEND][PATCH v5 3/3] hugetlbfs: add swap entry check in follow_hugetlb_page() Naoya Horiguchi
2013-04-10 16:31 ` KOSAKI Motohiro
2013-04-10 20:21 ` Michal Hocko
2013-04-10 21:51 ` David Rientjes
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