| 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. |