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Re: [libvirt] [PATCH] docs: correct setmem text plus expand setmaxmem text



2011/1/19 Justin Clift <jclift redhat com>:
> This completes the man page updates required for BZ # 622534:
>
>  https://bugzilla.redhat.com/show_bug.cgi?id=622534

> -Change the maximum memory allocation limit in the guest domain. This should
> -not change the current memory use. The memory limit is specified in
> -kilobytes.
> +Change the maximum memory allocation limit for an active guest domain.
> +
> +Some hypervisors require a larger granularity than kilobytes, and requests
> +that are not an even multiple will either be rounded down or rejected.  For
> +example, vSphere/ESX rejects the parameter unless the kB argument is evenly
> +divisible by 1024 (that is, the kB argument happens to represent megabytes).

Actually vSphere/ESX truncates in this case. It rejects in other cases
(virsh define).

As Dan suggested, I might change this to round up.

Matthias


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