From: Ian Campbell <ian.campbell@citrix.com>
To: Julien Grall <julien.grall@citrix.com>,
Chris Brand <chris.brand@broadcom.com>,
xen-devel@lists.xen.org
Cc: Stefano Stabellini <stefano.stabellini@citrix.com>
Subject: Re: [PATCH v3] xen: arm: Support <32MB frametables
Date: Tue, 1 Sep 2015 16:43:52 +0100 [thread overview]
Message-ID: <1441122232.26292.67.camel@citrix.com> (raw)
In-Reply-To: <55DE5D89.9010308@citrix.com>
On Wed, 2015-08-26 at 17:44 -0700, Julien Grall wrote:
> Hi Chris,
>
> On 21/08/2015 14:30, Chris Brand wrote:
> > setup_frametable_mappings() rounds frametable_size up to a multiple
> > of 32MB. This is wasteful on systems with less than 4GB of RAM,
> > although it does allow the "contig" bit to be set in the PTEs.
> >
> > Where the frametable is less than 32MB in size, instead round up
> > to a multiple of 2MB, not setting the "contig" bit in the PTEs.
> >
> > Signed-off-by: Chris Brand <chris.brand@broadcom.com>
>
> Reviewed-by: Julien Grall <julien.grall@citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Chris, please ping me if I haven't applied this within some reasonable
period after the tree opens for 4.7 development.
Ian.
next prev parent reply other threads:[~2015-09-01 15:43 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-21 21:30 [PATCH v3] xen: arm: Support <32MB frametables Chris Brand
2015-08-27 0:44 ` Julien Grall
2015-09-01 15:43 ` Ian Campbell [this message]
2015-09-11 14:10 ` Ian Campbell
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