From: David Vrabel <david.vrabel@citrix.com>
To: Matt Rushton <mvrushton@gmail.com>,
konrad.wilk@oracle.com, boris.ostrovsky@oracle.com
Cc: msw@amazon.com, linux-kernel@vger.kernel.org,
xen-devel@lists.xensource.com, Matt Rushton <mrushton@amazon.com>
Subject: Re: [PATCH v3 2/2] xen/setup: Remap Xen Identity Mapped RAM
Date: Wed, 27 Aug 2014 11:28:10 +0100 [thread overview]
Message-ID: <53FDB2BA.8080506@citrix.com> (raw)
In-Reply-To: <1407778441-26604-2-git-send-email-mrushton@amazon.com>
On 11/08/14 18:34, Matt Rushton wrote:
> Instead of ballooning up and down dom0 memory this remaps the existing mfns
> that were replaced by the identity map. The reason for this is that the
> existing implementation ballooned memory up and and down which caused dom0
> to have discontiguous pages. In some cases this resulted in the use of bounce
> buffers which reduced network I/O performance significantly. This change will
> honor the existing order of the pages with the exception of some boundary
> conditions.
Applied to devel/for-linus-3.18.
Patch #1 is already present in 3.17-rc1.
Thanks.
David
next prev parent reply other threads:[~2014-08-27 10:28 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-11 17:34 [PATCH v3 1/2] xen/setup: Remove Identity Map Debug Message Matt Rushton
2014-08-11 17:34 ` [PATCH v3 2/2] xen/setup: Remap Xen Identity Mapped RAM Matt Rushton
2014-08-11 17:40 ` David Vrabel
2014-08-11 17:41 ` Matt Wilson
2014-08-11 19:00 ` Matthew Rushton
2014-08-27 10:28 ` David Vrabel [this message]
-- strict thread matches above, loose matches on Subject: below --
2014-08-11 18:57 [PATCH v3 1/2] xen/setup: Remove Identity Map Debug Message Matt Rushton
2014-08-11 18:57 ` [PATCH v3 2/2] xen/setup: Remap Xen Identity Mapped RAM Matt Rushton
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