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| author | Li Zefan <lizefan@huawei.com> | 2013-03-29 10:37:29 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2013-04-10 15:54:18 +0400 |
| commit | 543bc0e76e6bb84300eaf9833edc5a481f788678 (patch) | |
| tree | b3584f05bedffee2bd604fa63d0e8b613cda28d4 /kernel/futex_compat.c | |
| parent | 1966aaf7d54608e8ddb7ac454b461840e763409a (diff) | |
| download | linux-543bc0e76e6bb84300eaf9833edc5a481f788678.tar.xz | |
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>
Diffstat (limited to 'kernel/futex_compat.c')
0 files changed, 0 insertions, 0 deletions