diff options
| -rw-r--r-- | kernel/events/core.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c index 2173c23c25b4..2d9aeba1f3e2 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -5916,7 +5916,15 @@ accounting: */ user_lock_limit *= num_online_cpus(); - user_locked = atomic_long_read(&user->locked_vm) + user_extra; + user_locked = atomic_long_read(&user->locked_vm); + + /* + * sysctl_perf_event_mlock may have changed, so that + * user->locked_vm > user_lock_limit + */ + if (user_locked > user_lock_limit) + user_locked = user_lock_limit; + user_locked += user_extra; if (user_locked > user_lock_limit) { /* |