On Tue, May 31, 2016 at 05:01:16PM -0400, Tejun Heo wrote: > So, WQ_MEM_RECLAIM on a shared workqueue doesn't make much sense. > That flag guarantees single concurrency level to the workqueue. How > would multiple users of a shared workqueue coordinate around that? > What prevents one events_mem_unbound user from depending on, say, > draining lru? If lru draining requires a rescuer to guarantee forward > progress under memory pressure, that rescuer worker must be dedicated > for that purpose and can't be shared. Gotchya, that fixes my understanding on the rescuer thread operation. In this case, could we revive your previous proposal for consideration? -- 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>