On 10/27/20 8:58 AM, Oscar Salvador wrote: > On Tue, Oct 27, 2020 at 04:44:33PM +0100, David Hildenbrand wrote: >> I'm planning on looking into patch #2/3 later this or next week (this week >> is open source summit / KVM Forum). > > Sure, aprecciated the time ;-) > >> >> One thing to look into right now is how to make this fly this with vmemmap >> optimizations for hugetlb pages. >> >> https://lkml.kernel.org/r/20201026145114.59424-1-songmuchun@xxxxxxxxxxxxx > > I was about to have a look at that series eitherway, but good you mentioned. > More eyes on that series would be appreciated. That series will dynamically free and allocate memmap pages as hugetlb pages are allocated or freed. I haven't looked through this series, but my first thought is that we would need to ensure those allocs/frees are directed to the device. Not sure if there are interfaces for that. -- Mike Kravetz
