Hello, Mike. On Fri, Feb 05, 2016 at 09:47:11PM +0100, Mike Galbraith wrote: > That very point is what makes it wrong for the workqueue code to ever > target a work item. The instant it does target selection, correctness > may be at stake, it doesn't know, thus it must assume the full onus, > which it has neither the knowledge not the time to do. That's how we > exploded on node = -1, trying to help out the user by doing his job,
I have a hard time seeing the NUMA_NO_NODE bug as something that indicative of anything. It is a dumb bug from mm side which puts everyone using cpu_to_node() at risk. > but then not doing the whole job. IMHO, a better plan is to let the > user screw it up all by himself. What are you suggesting? Thanks. -- tejun