Jeremy Fitzhardinge | 1775826 | 2008-04-02 10:54:13 -0700 | [diff] [blame] | 1 | config XEN_BALLOON |
| 2 | bool "Xen memory balloon driver" |
| 3 | depends on XEN |
| 4 | default y |
| 5 | help |
| 6 | The balloon driver allows the Xen domain to request more memory from |
| 7 | the system to expand the domain's memory allocation, or alternatively |
| 8 | return unneeded memory to the system. |
| 9 | |
| 10 | config XEN_SCRUB_PAGES |
| 11 | bool "Scrub pages before returning them to system" |
| 12 | depends on XEN_BALLOON |
| 13 | default y |
| 14 | help |
| 15 | Scrub pages before returning them to the system for reuse by |
| 16 | other domains. This makes sure that any confidential data |
| 17 | is not accidentally visible to other domains. Is it more |
| 18 | secure, but slightly less efficient. |
| 19 | If in doubt, say yes. |