Memory I/O resources need to be marked as busy or else we cannot remove them when doing memory hot remove. Signed-off-by: Nathan Fontenot <nfont@xxxxxxxxxxxxxxxxxx> --- arch/powerpc/mm/mem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Index: linux/arch/powerpc/mm/mem.c =================================================================== --- linux.orig/arch/powerpc/mm/mem.c +++ linux/arch/powerpc/mm/mem.c @@ -523,7 +523,7 @@ static int add_system_ram_resources(void res->name = "System RAM"; res->start = base; res->end = base + size - 1; - res->flags = IORESOURCE_MEM; + res->flags = IORESOURCE_MEM | IORESOURCE_BUSY; WARN_ON(request_resource(&iomem_resource, res) < 0); } } -- 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>