Here's a refresh of the hot-add portion again. Almost all of the infrastructure pieces before sparse are in -mm, and are clearly marked in the series file. ia64, and x86-64 will probably needs some updates to their Kconfig files that look something like this: http://www.sr71.net/patches/2.6.11/2.6.11-mhp1/broken-out/FROM-MM-x86-abstract-discontigmem-setup-ppc64-fix.patch Otherwise, there isn't too much new here. Please let me know if you encounter any problems. We need to start buttoning down the config options to make sure that we only allow valid configurations. So, if you run into any .config options that kill your compile or keep the machine from booting, let's get those fixed up. -- Dave