On Mon, 9 Jul 2012, Yasuaki Ishimatsu wrote: > Even if you apply these patches, you cannot remove the physical memory > completely since these patches are still under development. I want you to > cooperate to improve the physical memory hot-remove. So please review these > patches and give your comment/idea. Could you at least give a method on how you want to do physical memory removal? You would have to remove all objects from the range you want to physically remove. That is only possible under special circumstances and with a limited set of objects. Even if you exclusively use ZONE_MOVEABLE you still may get cases where pages are pinned for a long time. I am not sure that these patches are useful unless we know where you are going with this. If we end up with a situation where we still cannot remove physical memory then this patchset is not helpful. -- 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>