RE: [RFC][Patch v8 0/7] KVM: Guest Free Page Hinting

[Wang, Wei W]

On Wednesday, February 13, 2019 8:07 PM, Nitesh Narayan Lal wrote:
> Once the host free the pages. All the isolated pages are returned back 
> to the buddy. (This is implemented in hyperlist_ready())

This actually has the same issue: the isolated pages have to wait to return to the buddy
after the host has done with madvise(DONTNEED). Otherwise, a page could be used by
a guest thread and the next moment the host takes it to other host threads.

Best,
Wei