From: Julien Grall <julien.grall@citrix.com>
To: Chris Brand <chris.brand@broadcom.com>, xen-devel@lists.xen.org
Cc: Stefano Stabellini <stefano.stabellini@citrix.com>,
Ian Campbell <ian.campbell@citrix.com>
Subject: Re: [PATCH v3] xen: arm: Support <32MB frametables
Date: Wed, 26 Aug 2015 17:44:57 -0700 [thread overview]
Message-ID: <55DE5D89.9010308@citrix.com> (raw)
In-Reply-To: <1440192637-15007-1-git-send-email-chris.brand@broadcom.com>
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>
Regards,
--
Julien Grall
next prev parent reply other threads:[~2015-08-27 0:44 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 [this message]
2015-09-01 15:43 ` Ian Campbell
2015-09-11 14:10 ` Ian Campbell
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