| config XEN_BALLOON |
| bool "Xen memory balloon driver" |
| depends on XEN |
| default y |
| help |
| The balloon driver allows the Xen domain to request more memory from |
| the system to expand the domain's memory allocation, or alternatively |
| return unneeded memory to the system. |
| |
| config XEN_SCRUB_PAGES |
| bool "Scrub pages before returning them to system" |
| depends on XEN_BALLOON |
| default y |
| help |
| Scrub pages before returning them to the system for reuse by |
| other domains. This makes sure that any confidential data |
| is not accidentally visible to other domains. Is it more |
| secure, but slightly less efficient. |
| If in doubt, say yes. |