--- kernel/perf_event.c

+++ kernel/perf_event.c

@@ -69,7 +69,8 @@ static inline bool perf_paranoid_kernel(

return sysctl_perf_event_paranoid > 1;

}

-int sysctl_perf_event_mlock __read_mostly = 512; /* 'free' kb per user */

+/* Minimum for 128 pages + 1 for the user control page */

+int sysctl_perf_event_mlock __read_mostly = 516; /* 'free' kb per user */

/*

* max perf event sample rate