diff options
| author |   Li Zefan <lizf@cn.fujitsu.com> | 2009-03-12 09:23:01 +0800 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2009-03-13 04:54:58 +0100 |
| commit | 7a46c594bf7f1f2eeb1e12d4b857d5f581957a92 (patch) | |
| tree | 35731095fd8f01938a36d2647995ee86747e3bbf /include/linux/interrupt.h | |
| parent | Merge branch 'tj-percpu' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/misc into core/percpu (diff) | |
| download | wireguard-linux-7a46c594bf7f1f2eeb1e12d4b857d5f581957a92.tar.xz wireguard-linux-7a46c594bf7f1f2eeb1e12d4b857d5f581957a92.zip | |
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 'include/linux/interrupt.h')
0 files changed, 0 insertions, 0 deletions