On 08/01/2013 09:28 PM, Michael Ellerman wrote: > On Wed, Jul 24, 2013 at 01:36:34PM -0500, Nathan Fontenot wrote: >> Memory I/O resources need to be marked as busy or else we cannot remove >> them when doing memory hot remove. > > I would have thought it was the opposite? Me too. As it turns out the code in kernel/resource.c checks to make sure the IORESOURCE_BUSY flag is set when trying to release a resource. -Nathan -- 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>