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- 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.
- config XENFS
- tristate "Xen filesystem"
- depends on XEN
- default y
- help
- The xen filesystem provides a way for domains to share
- information with each other and with the hypervisor.
- For example, by reading and writing the "xenbus" file, guests
- may pass arbitrary information to the initial domain.
- If in doubt, say yes.
- config XEN_COMPAT_XENFS
- bool "Create compatibility mount point /proc/xen"
- depends on XENFS
- default y
- help
- The old xenstore userspace tools expect to find "xenbus"
- under /proc/xen, but "xenbus" is now found at the root of the
- xenfs filesystem. Selecting this causes the kernel to create
- the compatibility mount point /proc/xen if it is running on
- a xen platform.
- If in doubt, say yes.
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