RE: [Xen-devel] [RFC][PATCH] Basic support for page offline

["Jiang, Yunhong" <yunhong.jiang@xxxxxxxxx>]

So you mean just the online/offline status? That make sense. I will do that.

Thanks
Yunhong Jiang

xen-devel-bounces@xxxxxxxxxxxxxxxxxxx <> wrote:
> Jiang, Yunhong wrote:
>> 
>> Frank, can you please elabrate what's the status mean?
> What's the usage by Solaris FMA code? Do you mean how the page
> is used (i.e. information in the page_info->count_info)?
>> 
>> As for the ownership of the page, I'm not sure if we can do
> that without trying online/offline it, since the page may be
> assigned to another guest after the query if it is not marked
> offline-pending (mark offline pending make sure it will not be
> used anymore if freed).
> 
> The usage is pretty simple: there is an interface to:
> 
> * retire a page
> * unretire a page
> * check on the status
> 
> The status doesn't have to have much info. The Solaris
> interface returns
> one of:
> 
> * retired
> * not retired
> * pending
> * invalid page
> 
> I understand that the owner may be harder to return, and it
> isn't really
> important, so it doesn't matter if that information is not available from
> the hypercall. 
> 
> - Frank
> 
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