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| author | John Stultz <john.stultz@linaro.org> | 2011-04-18 13:19:07 -0700 |
|---|---|---|
| committer | John Stultz <john.stultz@linaro.org> | 2011-04-18 13:19:07 -0700 |
| commit | 775d71e49c65f1f6aa57776ea1da62988fc9a30a (patch) | |
| tree | ce03cae544bacc8dda67422fd66a543dd1ae3c99 /kernel/perf_event.c | |
| parent | 18e82d2b952ab57fc1c8a69d4fa14e562f2aecf6 (diff) | |
| parent | c1a952f48517b5545075d8eb1a5d543099bd2ae1 (diff) | |
Merge branch 'upstream/linaro.38' into linaro-android.38KNOWN_GOOD
Diffstat (limited to 'kernel/perf_event.c')
| -rw-r--r-- | kernel/perf_event.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/kernel/perf_event.c b/kernel/perf_event.c index ad02feadb6b..b2536bd2b6b 100644 --- a/kernel/perf_event.c +++ b/kernel/perf_event.c @@ -62,7 +62,8 @@ static struct srcu_struct pmus_srcu; */ int sysctl_perf_event_paranoid __read_mostly = 1; -int sysctl_perf_event_mlock __read_mostly = 512; /* 'free' kb per user */ +/* Minimum for 512 kiB + 1 user control page */ +int sysctl_perf_event_mlock __read_mostly = 512 + (PAGE_SIZE / 1024); /* 'free' kiB per user */ /* * max perf event sample rate @@ -5916,6 +5917,11 @@ SYSCALL_DEFINE5(perf_event_open, goto err_alloc; } + if (task) { + put_task_struct(task); + task = NULL; + } + /* * Look up the group leader (we will attach this event to it): */ |