path: root/Documentation
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authorKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2013-05-14 13:56:42 -0400
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2013-05-15 10:27:50 -0400
commit37d46e152e4c71cd772085912f1c7bf06839f739 (patch)
treeee31e42aca07640b538385c9b6b2acce315c5716 /Documentation
parented4f346a008edda8ee08ffcdc642691847636954 (diff)
xen/tmem: Don't use self[ballooning|shrinking] if frontswap is off.
There is no point. We would just squeeze the guest to put more and more pages in the swap disk without any purpose. The only time it makes sense to use the selfballooning and shrinking is when frontswap is being utilized. Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'Documentation')
1 files changed, 2 insertions, 1 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 3de01edca3e..6e3b18a8afc 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -3014,7 +3014,8 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
tmem.frontswap=0|1 [KNL, XEN]
Default is on (1). Disable the usage of the frontswap
- API to send swap pages to the hypervisor.
+ API to send swap pages to the hypervisor. If disabled
+ the selfballooning and selfshrinking are force disabled.
tmem.selfballooning=0|1 [KNL, XEN]
Default is on (1). Disable the driving of swap pages