Re: [Xen-devel] [PATCH] Make "xm mem-set" be lower bound on domX-min-mem

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

>  Unless there is an known *architectural* limit in Xen on the lower 
> bound of the memory for a guest DomU, then I agree - xend
>  shouldn't impose an arbitrary one simply to act as 'hard hint' to 
> prevent stupid users from doing stupid things
>  (give 'em all the rope they want I say! :-) Care-and-feeding of naive 
> users is best left to tools higher up the mgmt stack (IMO).
I agree with this. I'm also not sure about putting a lower bound in the 
balloon driver, but at least there we know that shrinking to <2% of 
original allocation is a very bad idea with very high probability.
 -- Keir


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