From: Rik van Riel <riel@redhat.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>,
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: [PATCH v3 1/3] hugetlbfs: stop setting VM_DONTDUMP in initializing vma(VM_HUGETLB)
Date: Wed, 03 Apr 2013 15:20:11 -0400 [thread overview]
Message-ID: <515C80EB.8070801@redhat.com> (raw)
In-Reply-To: <1365014138-19589-2-git-send-email-n-horiguchi@ah.jp.nec.com>
On 04/03/2013 02:35 PM, 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>
> Cc: stable@vger.kernel.org
Reviewed-by: Rik van Riel <riel@redhat.com>
next prev parent reply other threads:[~2013-04-03 19:22 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-03 18:35 [PATCH v3 0/3] fix hugepage coredump Naoya Horiguchi
2013-04-03 18:35 ` [PATCH v3 1/3] hugetlbfs: stop setting VM_DONTDUMP in initializing vma(VM_HUGETLB) Naoya Horiguchi
2013-04-03 19:20 ` Rik van Riel [this message]
2013-04-05 18:32 ` KOSAKI Motohiro
2013-04-05 18:40 ` Naoya Horiguchi
2013-04-03 18:35 ` [PATCH v3 2/3] fix hugetlb memory check in vma_dump_size() Naoya Horiguchi
2013-04-03 19:22 ` Rik van Riel
2013-04-03 21:14 ` Michal Hocko
2013-04-04 0:42 ` HATAYAMA Daisuke
2013-04-05 18:33 ` KOSAKI Motohiro
2013-04-03 18:35 ` [PATCH v3 3/3] hugetlbfs: add swap entry check in follow_hugetlb_page() Naoya Horiguchi
2013-04-03 20:01 ` Rik van Riel
2013-04-05 18:59 ` KOSAKI Motohiro
2013-04-08 19:27 ` Naoya Horiguchi
2013-04-08 20:57 ` KOSAKI Motohiro
2013-04-09 22:00 ` Naoya Horiguchi
2013-04-10 1:53 ` KOSAKI Motohiro
2013-04-10 8:07 ` Michal Hocko
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