sched/cputime: Use this_cpu_add() in task_group_account_field()

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Use of a this_cpu() operation reduces the number of instructions used
for accounting (account_user_time()) and frees up some registers. This is in
the scheduler tick hotpath.

Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/00000140596dd165-338ff7f5-893b-4fec-b251-aaac5557239e-000000@email.amazonses.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>

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Christoph Lameter 2013-08-07 15:38:24 +00:00 • committed by Ingo Molnar

parent c8d2d47a9c

commit a4f61cc03e

1 changed files with 1 additions and 1 deletions

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kernel/sched/cputime.c

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