> I think that at least one mainline driver in arm uses such trick but I > can't recall the name. Better to ask on the arm mainling list. Also I > heard that the are some out-of-tree patches about this. I'm sure there are out of tree patches for lots of things, but at least in terms of merging mainline functionality use cases merged in the mainline tree are required. -Andi -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>