Re: [Xen-devel] netfront/netback multiqueue exhausting grants

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 22.01.16 at 04:36, <bob.liu@xxxxxxxxxx> wrote:
> By the way, do you think it's possible to make grant table support bigger 
> page e.g 64K?
> One grant-ref per 64KB instead of 4KB, this should able to reduce the grant 
> entry consumption significantly.

How would that work with an underlying page size of 4k, and pages
potentially being non-contiguous in machine address space? Besides
that the grant table hypercall interface isn't prepared to support
64k page size, due to its use of uint16_t for the length of copy ops.

Jan


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