| commit | a4f61cc03e443647211a5ae0ab8f8cda2e9e1043 | [log] [tgz] |
|---|---|---|
| author | Christoph Lameter <cl@gentwo.org> | Wed Aug 07 15:38:24 2013 +0000 |
| committer | Ingo Molnar <mingo@kernel.org> | Fri Aug 16 17:44:29 2013 +0200 |
| tree | 6285945a10b8bf718d27fecd7d4bc33e21a0a861 | |
| parent | c8d2d47a9cbb4222ae4e993aa0e3703430c8193c [diff] |
sched/cputime: Use this_cpu_add() in task_group_account_field() 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>