diff options
| -rw-r--r-- | vswitchd/ovs-vswitchd.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/vswitchd/ovs-vswitchd.c b/vswitchd/ovs-vswitchd.c index 76dc52bb5..b6ba11b5d 100644 --- a/vswitchd/ovs-vswitchd.c +++ b/vswitchd/ovs-vswitchd.c @@ -53,6 +53,10 @@ VLOG_DEFINE_THIS_MODULE(vswitchd); +/* --mlockall: If set, locks all process memory into physical RAM, preventing + * the kernel from paging any of its memory to disk. */ +static bool want_mlockall; + static unixctl_cb_func ovs_vswitchd_exit; static char *parse_options(int argc, char *argv[], char **unixctl_path); @@ -79,6 +83,16 @@ main(int argc, char *argv[]) daemonize_start(); + if (want_mlockall) { +#ifdef HAVE_MLOCKALL + if (mlockall(MCL_CURRENT | MCL_FUTURE)) { + VLOG_ERR("mlockall failed: %s", strerror(errno)); + } +#else + VLOG_ERR("mlockall not supported on this system"); +#endif + } + retval = unixctl_server_create(unixctl_path, &unixctl); if (retval) { exit(EXIT_FAILURE); @@ -163,13 +177,7 @@ parse_options(int argc, char *argv[], char **unixctl_pathp) exit(EXIT_SUCCESS); case OPT_MLOCKALL: -#ifdef HAVE_MLOCKALL - if (mlockall(MCL_CURRENT | MCL_FUTURE)) { - VLOG_ERR("mlockall failed: %s", strerror(errno)); - } -#else - VLOG_ERR("mlockall not supported on this system"); -#endif + want_mlockall = true; break; case OPT_UNIXCTL: |