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Diffstat (limited to 'vswitchd/ovs-vswitchd.8.in')
-rw-r--r-- | vswitchd/ovs-vswitchd.8.in | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/vswitchd/ovs-vswitchd.8.in b/vswitchd/ovs-vswitchd.8.in index 5c8d6c77..e9c11f41 100644 --- a/vswitchd/ovs-vswitchd.8.in +++ b/vswitchd/ovs-vswitchd.8.in @@ -67,6 +67,17 @@ Open vSwitch distribution for instructions on how to build and load the Open vSwitch kernel module. .PP .SH OPTIONS +.IP "\fB--mlockall\fR" +Causes \fBovs\-vswitchd\fR to call the \fBmlockall()\fR function, to +attempt to lock all of its process memory into physical RAM, +preventing the kernel from paging any of its memory to disk. This +helps to avoid networking interruptions due to system memory pressure. +.IP +Some systems do not support \fBmlockall()\fR at all, and other systems +only allow privileged users, such as the superuser, to use it. +\fBovs\-vswitchd\fR emits a log message if \fBmlockall()\fR is +unavailable or unsuccessful. +. .IP "\fB--fake-proc-net\fR" Causes \fBovs\-vswitchd\fR to simulate some files in \fB/proc/net/vlan\fR and \fB/proc/net/bonding\fR that some legacy software expects to |