sched: reintroduce the sched_min_granularity tunable

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we lost the sched_min_granularity tunable to a clever optimization
that uses the sched_latency/min_granularity ratio - but the ratio
is quite unintuitive to users and can also crash the kernel if the
ratio is set to 0. So reintroduce the min_granularity tunable,
while keeping the ratio maintained internally.

no functionality changed.

[ mingo@elte.hu: some fixlets. ]

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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This commit is contained in:

Peter Zijlstra 2007-11-09 22:39:37 +01:00 • committed by Ingo Molnar

parent 2cb8600e6b

commit b2be5e96dc

4 changed files with 41 additions and 13 deletions

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2

kernel/sched_debug.c

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35

kernel/sched_fair.c

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11

kernel/sysctl.c

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