Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
sched: simplify sched_slice()
Use the existing calc_delta_mine() calculation for sched_slice(). This
saves a divide and simplifies the code because we share it with the
other /cfs_rq->load users.
It also improves code size:
text data bss dec hex filename
42659 2740 144 45543 b1e7 sched.o.before
42093 2740 144 44977 afb1 sched.o.after
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
+2
-6
+2
-6
kernel/sched_fair.c
+2
-6
kernel/sched_fair.c
···
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*/
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static u64 sched_slice(struct cfs_rq *cfs_rq, struct sched_entity *se)
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{
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-
u64 slice = __sched_period(cfs_rq->nr_running);
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-
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slice *= se->load.weight;
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do_div(slice, cfs_rq->load.weight);
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-
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return slice;
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+
return calc_delta_mine(__sched_period(cfs_rq->nr_running),
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+
se->load.weight, &cfs_rq->load);
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}
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/*