| 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. |