sched/cpuacct: Remove redundant NULL checks in cpuacct_acount_field()

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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>

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Li Zefan 2013-03-29 14:37:43 +08:00 • committed by Ingo Molnar

parent 543bc0e76e

commit 5f40d80432

2 changed files with 7 additions and 2 deletions

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kernel/sched/cpuacct.c

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kernel/sched/cpuacct.h

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