diff --git a/drivers/xen/Kconfig b/drivers/xen/Kconfig index fad3df2..4f35eaf 100644 --- a/drivers/xen/Kconfig +++ b/drivers/xen/Kconfig @@ -9,6 +9,16 @@ config XEN_BALLOON the system to expand the domain's memory allocation, or alternatively return unneeded memory to the system. +config XEN_BALLOON_MEMORY_HOTPLUG + bool "Xen memory balloon driver with memory hotplug support" + default n + depends on XEN_BALLOON && MEMORY_HOTPLUG + help + Xen memory balloon driver with memory hotplug support allows expanding + memory available for the system above limit declared at system startup. + It is very useful on critical systems which require long run without + rebooting. + config XEN_SCRUB_PAGES bool "Scrub pages before returning them to system" depends on XEN_BALLOON diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c index