> We fall back to the rmap when it's obviously not smart to do so. There > is still a lot of room for improvement in this function though, i.e., > it should be per VMA and NUMA aware. Okay so it's more a question to tune the cross over heuristic. That sounds much easier than replacing everything. Of course long term it might be a problem to maintain too many different ways to do things, but I suppose short term it's a reasonable strategy. -Andi
