On Wed, Apr 28, 2010 at 10:18:58AM +0900, KAMEZAWA Hiroyuki wrote: > BTW, page->index is not updated, we just keep [start_address, pgoff] to be > sane value. yes I corrected myself too, the end result is the same and adjusting the new vma vm_pgoff available in the anon-vma list is obviously faster and simpler. When the src and dst ranges don't overlap and src_vma != dst_vma (vma, new_vma in code) things are a lot simpler there... -- 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>