Re: [Xen-devel] [PATCH v3 1/5] xen: introduce two different max_nr_dom0/domU_grant_frames parameters

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Wed, 8 Oct 2014, David Vrabel wrote:
> On 08/10/14 14:00, Stefano Stabellini wrote:
> > Remove max_nr_grant_frames, both variable and preprocessor symbol.
> > Introduce two global variables max_nr_dom0_grant_frames and
> > max_nr_domU_grant_frames, separately configurable via the Xen command line
> > option "gnttab_max_nr_frames".
> 
> Why?  I can't think of a sensible use case for this and you don't list
> one.  dom0 doesn't really use grants so its current number grant frames
> is usually 1 so it doesn't seem useful to restrict it differently.

See the recent discussion with Jan:

http://marc.info/?l=xen-devel&m=141260825209210

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