On Thu 29-07-21 23:12:42, Feng Tang wrote: > On Thu, Jul 29, 2021 at 03:38:44PM +0200, Michal Hocko wrote: [...] > > Also the > > semantic to give nodes some ordering based on their numbers sounds > > rather weird to me. > > I agree, and as I admitted in the first reply, this need to be fixed. OK. I was not really clear that we are on the same page here. > > The semantic I am proposing is to allocate from prefered nodes in > > distance order starting from the local node. > > So the plan is: > * if the local node is set in 'prefer-many's nodemask, then chose > * otherwise chose the node with the shortest distance to local node > ? Yes and what I am trying to say is that you will achieve that simply by doing the following in policy_node: if (policy->mode == MPOL_PREFERRED_MANY) return nd; -- Michal Hocko SUSE Labs
