On 07/15/2014 04:54 PM, Andy Lutomirski wrote: > > From vague memory, the current mechanism for tracking RAM memtypes (as > opposed to memtypes for everything that isn't RAM) is limited to a > very small number of types, leading to oddities like not being able to > create WT ram with this patchset. > > Using the pagetables directly would be simpler (no extra data > structure) and would automatically exactly track the set of memtypes > that can fit in the pagetable structures. > I don't think there is anything fundamental, though. The number of types had more to do with what there was demand for. I will look into it. -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>