Re: [Xen-devel] [PATCH 1/1] Xen PV support for hugepages

[Dave McCracken <dcm@xxxxxxxx>]

On Thursday 06 November 2008, Jan Beulich wrote:
> >This is the point of having hugepages a command line option.  It should
> > only be turned on if you intend to run guests who enforce the alignment
> > rules.
>
> You mean 'if you intend to run *only* guests ...', including dom0. Any
> guest unaware of the connection of X86_FEATURE_PSE and the need to create
> contiguous 2M chunks would fail, and any guest not having I/O memory
> assigned would never manage to create such chunks.

Hmm... Sounds like a per-domain flag would be a good solution here.  I'll look 
into it.

Dave McCracken

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