diff options
| author | Andy Green <andy.green@linaro.org> | 2011-04-15 09:29:22 +0100 |
|---|---|---|
| committer | Andy Green <andy.green@linaro.org> | 2011-04-15 09:29:22 +0100 |
| commit | caa70ccf8cc719acb0540b558b4e075796778db8 (patch) | |
| tree | e8173307b04eca62168415be04e7800bdf011f80 /kernel/perf_event.c | |
| parent | 56d667f87e81d15d43f264007322f1179ce1722e (diff) | |
| parent | 3ec10cd8b526c6b10170c2649002672ee2019e73 (diff) | |
Merge branch 'linux-linaro-2.6.38-master' into for-ubuntuu2
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): */ |