xref: /openbmc/linux/drivers/xen/Kconfig (revision 22246614)
1config 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
10config 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.
20