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| author |   Li Zefan <lizefan@huawei.com> | 2013-03-29 14:37:43 +0800 |
|---|---|---|
| committer |   Ingo Molnar <mingo@kernel.org> | 2013-04-10 13:54:18 +0200 |
| commit | 5f40d804325e925409907e29f46ecb012090b6c2 (patch) | |
| tree | 28cd9dd3f0a7ed059d1167ba8c77e725445e9986 /kernel/tracepoint.c | |
| parent | sched/cpuacct: Remove redundant NULL checks in cpuacct_charge() (diff) | |
| download | linux-dev-5f40d804325e925409907e29f46ecb012090b6c2.tar.xz linux-dev-5f40d804325e925409907e29f46ecb012090b6c2.zip | |
sched/cpuacct: Remove redundant NULL checks in cpuacct_acount_field()
This is a micro optimazation for a hot path.
- We don't need to check if @ca returned from task_ca() is NULL.
- We don't need to check if @ca returned from parent_ca() is NULL.
Signed-off-by: Li Zefan <lizefan@huawei.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/515536B7.6060602@huawei.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/tracepoint.c')
0 files changed, 0 insertions, 0 deletions