Re: [Xen-devel] performance save/restore under xen-4.3.2 compared to kvm/qemu

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 25.08.14 at 14:23, <andrew.cooper3@xxxxxxxxxx> wrote:
> I have also identified a bottleneck in the Linux PVOps kernel where the
> mmap batch ioctl takes a batch size of 1024 and generates 1024 batch
> hypercalls of batch size 1.  Fixing this will certainly make the
> mapping/unmapping faster.

Didn't Mats Petersson post a patch for this quite a while ago? Did
this perhaps never get applied?

Jan


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