On 22/06/2016 04:34, KarimAllah Ahmed wrote: > pfn_valid check is not sufficient because it only checks if a page has a > struct > page or not, if for example "mem=" was passed to the kernel some valid pages > won't have a struct page. This means that if guests were assigned valid memory > that lies after the mem= boundary it will be passed uncached to the guest no > matter what the guest caching attributes are for this memory.
How can you pass memory after the mem= boundary to the guest? Paolo
