diff options
| author | Roger Pau Monne <[email protected]> | 2020-03-24 16:00:15 +0100 |
|---|---|---|
| committer | Boris Ostrovsky <[email protected]> | 2020-05-21 18:11:03 -0500 |
| commit | 2abb65a39bcca0629437bb83e583889f9e1ad696 (patch) | |
| tree | 8e01b1ca7edf4f5ba6ed959ee4784d5de95179f1 | |
| parent | 0df683ff7456eb6401c9035c054b7a58c93dd215 (diff) | |
xen: enable BALLOON_MEMORY_HOTPLUG by default
Without it a PVH dom0 is mostly useless, as it would balloon down huge
amounts of RAM in order get physical address space to map foreign
memory and grants, ultimately leading to an out of memory situation.
Such option is also needed for HVM or PVH driver domains, since they
also require mapping grants into physical memory regions.
Suggested-by: Ian Jackson <[email protected]>
Signed-off-by: Roger Pau Monné <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Juergen Gross <[email protected]>
Signed-off-by: Boris Ostrovsky <[email protected]>
| -rw-r--r-- | drivers/xen/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/xen/Kconfig b/drivers/xen/Kconfig index ce024e57274c..727f11eb46b2 100644 --- a/drivers/xen/Kconfig +++ b/drivers/xen/Kconfig @@ -13,6 +13,7 @@ config XEN_BALLOON config XEN_BALLOON_MEMORY_HOTPLUG bool "Memory hotplug support for Xen balloon driver" depends on XEN_BALLOON && MEMORY_HOTPLUG + default y help Memory hotplug support for Xen balloon driver allows expanding memory available for the system above limit declared at system startup. |