From: Jeff Garzik <jgarzik@pobox.com>
To: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Jens Axboe <jens.axboe@oracle.com>, LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 5 of 5] xen: Avoid allocations causing swap activity on the resume path
Date: Fri, 30 May 2008 21:58:29 -0400 [thread overview]
Message-ID: <4840B0C5.4020606@pobox.com> (raw)
In-Reply-To: <c692f3a12da1e99a4a43.1212192095@localhost>
Jeremy Fitzhardinge wrote:
> From: Ian Campbell <ian.campbell@citrix.com>
>
> Avoid allocations causing swap activity on the resume path by allowing
> such allocations to access the emergency pools otherwise a
> save/restore/migration of a guest which is low on memory can
> deadlock.
>
> [ linux-2.6.18-xen changesets e8b49cfbdac, fdb998e79aba ]
>
> Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
>
> ---
> drivers/block/xen-blkfront.c | 5 +++--
> drivers/net/xen-netfront.c | 4 ++--
> drivers/xen/xenbus/xenbus_client.c | 2 +-
> drivers/xen/xenbus/xenbus_xs.c | 10 +++++-----
> 4 files changed, 11 insertions(+), 10 deletions(-)
IMO I am not qualified enough to ACK or NAK this VM-related patch... If
others are happy with it, go ahead and merge the xen-netfront.c with
that batch.
next prev parent reply other threads:[~2008-05-31 1:58 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-31 0:01 [PATCH 0 of 5] xen device driver updates [resend] Jeremy Fitzhardinge
2008-05-31 0:01 ` [PATCH 1 of 5] xen/blkfront: Make sure we don't use bounce buffers, we don't need them Jeremy Fitzhardinge
2008-05-31 1:55 ` Jeff Garzik
2008-05-31 0:01 ` [PATCH 2 of 5] xn/blkfront: Add the CDROM_GET_CAPABILITY ioctl to blkfront Jeremy Fitzhardinge
2008-05-31 1:57 ` Jeff Garzik
2008-05-31 7:08 ` Jeremy Fitzhardinge
2008-05-31 0:01 ` [PATCH 3 of 5] xen/blkfront: Make sure that the device is fully ready before allowing release Jeremy Fitzhardinge
2008-05-31 0:01 ` [PATCH 4 of 5] xen/blkfront: add __exit to module_exit() handlers Jeremy Fitzhardinge
2008-05-31 1:57 ` Jeff Garzik
2008-05-31 0:01 ` [PATCH 5 of 5] xen: Avoid allocations causing swap activity on the resume path Jeremy Fitzhardinge
2008-05-31 1:58 ` Jeff Garzik [this message]
2008-05-31 9:50 ` Jeremy Fitzhardinge
2008-05-31 9:59 ` Andrew Morton
2008-05-31 10:10 ` Jeremy Fitzhardinge
2008-05-31 23:47 ` Andrew Morton
2008-06-01 0:38 ` Jeremy Fitzhardinge
2008-05-31 1:54 ` [PATCH 0 of 5] xen device driver updates [resend] Jeff Garzik
2008-05-31 6:31 ` Jeremy Fitzhardinge
-- strict thread matches above, loose matches on Subject: below --
2008-05-30 23:50 [PATCH 0 of 5] xen device driver updates Jeremy Fitzhardinge
2008-05-30 23:50 ` [PATCH 5 of 5] xen: Avoid allocations causing swap activity on the resume path Jeremy Fitzhardinge
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