On Mon 31-05-21 15:32:52, Feng Tang wrote: > On Mon, May 31, 2021 at 09:00:25AM +0200, Michal Hocko wrote: [...] > > I can see you have posted a newer version which I haven't seen yet but > > this is really better to get resolved before building up more on top. > > And let me be explicit. I do believe that rebinding preferred policy is > > just bogus and it should be dropped altogether on the ground that a > > preference is a mere hint from userspace where to start the allocation. > > Yes, the current mpol_rebind_preferred()'s logic is confusing. Let me > try to understand it correctly, are you suggesting to do nothing for > 'prefer's rebinding regarding MPOL_F_STATIC_NODES and MPOL_F_RELATIVE_NODES, > while just setting 'pol->w.cpuset_mems_allowed' to the new nodemask? yes this is exactly what I've had in mind. -- Michal Hocko SUSE Labs
