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Re: [Xen-devel] Fw: bigphysarea patch on xen capable linux

To: "Kashmira. K." <chimnee@xxxxxxxxx>
Subject: Re: [Xen-devel] Fw: bigphysarea patch on xen capable linux
From: "Jan Beulich" <JBeulich@xxxxxxxxxx>
Date: Tue, 12 Jan 2010 08:53:37 +0000
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>>> "Kashmira. K." <chimnee@xxxxxxxxx> 08.01.10 02:10 >>>
> 1. Is the bigphysarea patch supported on Xen capable
> linux?  If not what is the maximum physically
> contiguous memory Xen provides.

2Mb is the maximum you can create.
 
> 2. If I were to run my application in DomU instead of Dom0,
> can the bigphysarea patch  be used then.

In a fully virtualized DomU this should be possible (unless you imply to
be able to use 1G pages).

Jan


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