On Mon, Jan 23, 2017 at 03:55:01PM -0500, Tejun Heo wrote: > Hello, Mel. > > On Mon, Jan 23, 2017 at 08:04:12PM +0000, Mel Gorman wrote: > > What is the actual mechanism that does that? It's not something that > > schedule_on_each_cpu does and one would expect that the core workqueue > > implementation would get this sort of detail correct. Or is this a proposal > > on how it should be done? > > If you use schedule_on_each_cpu(), it's all fine as the thing pins > cpus and waits for all the work items synchronously. If you wanna do > it asynchronously, right now, you'll have to manually synchronize work > items against the offline callback manually. > Is the current implementation and what it does wrong in some way? I ask because synchronising against the offline callback sounds like it would be a bit of a maintenance mess for relatively little gain. -- Mel Gorman SUSE Labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>