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-rw-r--r--kernel/perf_event.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index d1a6c04d8399..5f559b19c26a 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -58,7 +58,8 @@ static atomic_t nr_task_events __read_mostly;
*/
int sysctl_perf_event_paranoid __read_mostly = 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