On Mon, May 13, 2013 at 10:54:03AM -0400, Jeff Moyer wrote: > How do you propose to move the ring pages? It's the same problem as doing a TLB shootdown: flush the old pages from userspace's mapping, copy any existing data to the new pages, then repopulate the page tables. It will likely require the addition of address_space_operations for the mapping, but that's not too hard to do. -ben -- "Thought is the essence of where you are now." -- 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>