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| author | Li Zefan <lizf@cn.fujitsu.com> | 2009-03-12 04:23:01 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-03-13 06:54:58 +0300 |
| commit | 7a46c594bf7f1f2eeb1e12d4b857d5f581957a92 (patch) | |
| tree | 35731095fd8f01938a36d2647995ee86747e3bbf /mm | |
| parent | 65a37b29a8d7492f081d4f8da2227467af1c0c1d (diff) | |
| download | linux-7a46c594bf7f1f2eeb1e12d4b857d5f581957a92.tar.xz | |
cpuacct: reduce one NULL check in fast-path
Impact: micro-optimization
In cpuacct_charge(), task_ca() will never return NULL, so change
for(...) to do { } while(...) to save one NULL check.
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Menage <menage@google.com>
Cc: Balbir Singh <balbir@linux.vnet.ibm.com>
Cc: Bharata B Rao <bharata@linux.vnet.ibm.com>
LKML-Reference: <49B863F5.2060400@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'mm')
0 files changed, 0 insertions, 0 deletions