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-rw-r--r--drivers/xen/Kconfig3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/xen/Kconfig b/drivers/xen/Kconfig
index 61212fc7f0c7..ce024e57274c 100644
--- a/drivers/xen/Kconfig
+++ b/drivers/xen/Kconfig
@@ -19,6 +19,9 @@ config XEN_BALLOON_MEMORY_HOTPLUG
It is very useful on critical systems which require long
run without rebooting.
+ It's also very useful for non PV domains to obtain unpopulated physical
+ memory ranges to use in order to map foreign memory or grants.
+
Memory could be hotplugged in following steps:
1) target domain: ensure that memory auto online policy is in