From: Julien Grall <julien.grall@linaro.org>
To: Ian Campbell <ian.campbell@citrix.com>, xen-devel@lists.xen.org
Cc: Roy Franz <roy.franz@linaro.org>,
tim@xen.org, Fu Wei <fu.wei@linaro.org>,
Jan Beulich <JBeulich@suse.com>,
stefano.stabellini@eu.citrix.com
Subject: Re: [PATCH for-4.5 v3 3/3] xen: arm: Enable physical address space compression (PDX) on arm
Date: Thu, 18 Sep 2014 12:21:25 -0700 [thread overview]
Message-ID: <541B30B5.8010904@linaro.org> (raw)
In-Reply-To: <1410988863-15238-3-git-send-email-ian.campbell@citrix.com>
Hi Ian,
On 17/09/14 14:21, Ian Campbell wrote:
> This allows us to support sparse physical address maps which we previously
> could not because the frametable would end up taking up an enormous fraction
> of RAM.
>
> On a fast model which has RAM at 0x80000000-0x100000000 and
> 0x880000000-0x900000000 this reduces the size of the frametable from
> 478M to 84M.
>
> Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Reviewed-by: Julien Grall <julien.grall@linaro.org>
Regards,
--
Julien Grall
next prev parent reply other threads:[~2014-09-18 19:21 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-17 21:20 [PATCH for-4.5 v3 0/3] Support for sparse physical address space on ARM Ian Campbell
2014-09-17 21:21 ` [PATCH for-4.5 v3 1/3] xen: refactor physical address space compression support into common code Ian Campbell
2014-09-17 21:21 ` [PATCH for-4.5 v3 2/3] xen: add helpers for PDX mask initialisation calculations Ian Campbell
2014-09-18 10:03 ` Jan Beulich
2014-09-18 19:16 ` Julien Grall
2014-09-22 15:42 ` Ian Campbell
2014-09-22 15:55 ` Julien Grall
2014-09-22 16:28 ` Ian Campbell
2014-09-17 21:21 ` [PATCH for-4.5 v3 3/3] xen: arm: Enable physical address space compression (PDX) on arm Ian Campbell
2014-09-18 19:21 ` Julien Grall [this message]
2014-09-18 18:22 ` [PATCH for-4.5 v3 0/3] Support for sparse physical address space on ARM Roy Franz
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