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(parent: 1966aaf) | patch
sched/cpuacct: Remove redundant NULL checks in cpuacct_charge()
authorLi Zefan <lizefan@huawei.com>
Fri, 29 Mar 2013 06:37:29 +0000 (14:37 +0800)
committerIngo Molnar <mingo@kernel.org>
Wed, 10 Apr 2013 11:54:18 +0000 (13:54 +0200)
commit543bc0e76e6bb84300eaf9833edc5a481f788678
treeb3584f05bedffee2bd604fa63d0e8b613cda28d4tree | snapshot (tar.gz zip)
parent1966aaf7d54608e8ddb7ac454b461840e763409acommit | diff
sched/cpuacct: Remove redundant NULL checks in cpuacct_charge()

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>
kernel/sched/cpuacct.c diff | blob | blame | history
kernel/sched/cpuacct.h diff | blob | blame | history
Motorola kernel-slsi