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(parent: 543bc0e) | patch
sched/cpuacct: Remove redundant NULL checks in cpuacct_acount_field()
authorLi Zefan <lizefan@huawei.com>
Fri, 29 Mar 2013 06:37:43 +0000 (14:37 +0800)
committerIngo Molnar <mingo@kernel.org>
Wed, 10 Apr 2013 11:54:18 +0000 (13:54 +0200)
commit5f40d804325e925409907e29f46ecb012090b6c2
tree28cd9dd3f0a7ed059d1167ba8c77e725445e9986tree | snapshot (tar.gz zip)
parent543bc0e76e6bb84300eaf9833edc5a481f788678commit | diff
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>
kernel/sched/cpuacct.c diff | blob | blame | history
kernel/sched/cpuacct.h diff | blob | blame | history
Motorola kernel-slsi