Re: [Xen-devel] [PATCH v5 2/9] tools: arm: report an error if the guest RAM is too large

[Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>]

Ian Campbell writes ("[PATCH v5 2/9] tools: arm: report an error if the guest 
RAM is too large"):
> Due to the layout of the guest physical address space we cannot support more
> than 768M of RAM before overrunning the area set aside for the grant table. 
> Due
> to the presence of the magic pages at the end of the RAM region guests are
> actually limited to 767M.
> 
> Catch this case during domain build and fail gracefully instead of obscurely
> later on.

At Ian C's request I have backported this (to 4.4 only).

Ian.

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