On Wed 13-10-21 18:53:55, Aneesh Kumar K.V wrote: > On 10/13/21 18:46, Andi Kleen wrote: > > > > > The difference with MPOL_BIND is the ability to specify a preferred node > > > which is the first node in the nodemask argument passed. > > > > That's always the one with the lowest number. Isn't that quite limiting > > in practice? > > > > It seems if you really want to do that you would need another argument. > > > Yes. But that would make it a new syscall. Should we do that? Yes, I do not see any reasonable to cram this into the existing syscall. I am not yet sure what the syscall should look like though. I can see two usecases, one of the is a very specific node allocation fallback order requirement and another one is preferrence for a cpu less node over other nodes. Both are slightly different. -- Michal Hocko SUSE Labs
