sched/cpuacct: Use __this_cpu_add() instead of this_cpu_ptr()

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The cpuacct_charge() and cpuacct_account_field() are called with
rq->lock held, and this means preemption(and IRQs) are indeed
disabled, so it is safe to use __this_cpu_*() to allow for better
code-generation.

Signed-off-by: Muchun Song <songmuchun@bytedance.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20200507031039.32615-1-songmuchun@bytedance.com

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Muchun Song 2020-05-07 11:10:39 +08:00 • committed by Peter Zijlstra

parent 7d148be69e

commit 12aa258738

1 changed files with 2 additions and 2 deletions

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kernel/sched/cpuacct.c

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