Re: [Xen-devel] [PATCH 1 of 4] Improve ring management for memory events

[Olaf Hering <olaf@xxxxxxxxx>]

On Wed, Nov 23, Andres Lagar-Cavilla wrote:

> Well, we can tone down printk's to be debug level. I don't think they're
> unnecessary if they're made an optional debug tool.

There is nothing to debug here, since the callers have to retry anyway.

> Question: I have one vcpu, how do I fill up the ring quickly? (outside of
> foreign mappings)

Have a balloon driver in the guest and balloon down more than
64*PAGE_SIZE. This is the default at least in my setup where the kernel
driver releases some memory right away (I havent checked where this is
actually configured).

Olaf

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