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(parent: 4434e51) | patch
cpuacct: add a branch prediction
authorLi Zefan <lizf@cn.fujitsu.com>
Thu, 26 Feb 2009 07:40:15 +0000 (15:40 +0800)
committerIngo Molnar <mingo@elte.hu>
Thu, 26 Feb 2009 12:22:38 +0000 (13:22 +0100)
commitc40c6f85a7594ad842233885386a0ca4cd40eafe
treec04285769854afb32bb9d97224eb0a27f40b343ctree | snapshot
parent4434e5156409eb3ec98f5ad7f0a0c07ebafe970dcommit | diff
cpuacct: add a branch prediction

cpuacct_charge() is in fast-path, and checking of !cpuacct_susys.active
always returns false after cpuacct has been initialized at system boot.

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>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
kernel/sched.c diff | blob | history
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