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| author |   Roger Pau Monne <roger.pau@citrix.com> | 2020-03-24 16:00:14 +0100 |
|---|---|---|
| committer |   Boris Ostrovsky <boris.ostrovsky@oracle.com> | 2020-05-21 18:10:51 -0500 |
| commit | 0df683ff7456eb6401c9035c054b7a58c93dd215 (patch) | |
| tree | 089a6301e61a90da435469e28952f4cb6b310400 /drivers/xen | |
| parent | xen/pvcalls: Make pvcalls_back_global static (diff) | |
| download | linux-dev-0df683ff7456eb6401c9035c054b7a58c93dd215.tar.xz linux-dev-0df683ff7456eb6401c9035c054b7a58c93dd215.zip | |
xen: expand BALLOON_MEMORY_HOTPLUG description
To mention it's also useful for PVH or HVM domains that require
mapping foreign memory or grants.
[boris: "non PV" instead of "translated" at Juergen's request]
Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Link: https://lore.kernel.org/r/20200324150015.50496-1-roger.pau@citrix.com
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Diffstat (limited to 'drivers/xen')
| -rw-r--r-- | drivers/xen/Kconfig | 3 |
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 |