On 1/28/20 9:47 PM, Leon Romanovsky wrote: > On Sat, Jan 25, 2020 at 06:23:39PM +0200, Leon Romanovsky wrote: >> On Fri, Jan 24, 2020 at 06:11:12PM -0800, John Hubbard wrote: >>> Leon Romanovsky: >>> >>> If you get a chance, I'd love to have this short series (or even just >>> the first patch; the others are just selftests) run through your test >>> suite that was previously choking on my earlier v11 patchset. The huge >>> page pincount limitations are removed, so I'm expecting a perfect test >>> run this time! >>> >> >> I added those patches to our regression and I will post the in the >> couple of days. > > Hi John, > > The patches survived our RDMA verification night runs. > Great! Thanks very much for running those. That's a pretty solid confirmation that the earlier patch *did* allow a huge page refcount overflow, and that this approach avoids it. thanks, -- John Hubbard NVIDIA