On 04/01/2014 02:21 PM, Johannes Weiner wrote: > > Either way, optimistic volatile pointers are nowhere near as > transparent to the application as the above description suggests, > which makes this usecase not very interesting, IMO. > ... however, I think you're still derating the value way too much. The case of user space doing elastic memory management is more and more common, and for a lot of those applications it is perfectly reasonable to either not do system calls or to have to devolatilize first. -hpa -- 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>