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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 fbbe79bf4ef..c6b9c9560f7 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -71,7 +71,8 @@ static inline bool perf_paranoid_kernel(void)
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