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

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This is a micro optimization for the hot path.

- We don't need to check if @ca is NULL in parent_ca().
- We don't need to check if @ca is NULL in the beginning of the for loop.

Signed-off-by: Li Zefan <lizefan@huawei.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/515536A9.5000700@huawei.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>

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

parent 1966aaf7d5

commit 543bc0e76e

2 changed files with 6 additions and 2 deletions

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6

kernel/sched/cpuacct.c

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2

kernel/sched/cpuacct.h

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