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authorPeter Zijlstra <peterz@infradead.org>2014-01-27 11:54:13 +0100
committerIngo Molnar <mingo@kernel.org>2014-01-28 13:08:41 +0100
commita57beec5d427086cdc8d75fd51164577193fa7f4 (patch)
tree86bbff9570824031ec4bd42bfd5dd11e4b825a55 /mm/mempolicy.c
parentsched/deadline: Add sched_dl documentation (diff)
downloadlinux-a57beec5d427086cdc8d75fd51164577193fa7f4.tar.xz
linux-a57beec5d427086cdc8d75fd51164577193fa7f4.zip
sched: Make sched_class::get_rr_interval() optional
Not all classes implement (or can implement) a useful get_rr_interval() function, default to a 0 time-slice for them. This fixes a crash reported by Tommi Rantala. Reported-by: Tommi Rantala <tt.rantala@gmail.com> Cc: Dave Jones <davej@redhat.com> Cc: Tommi Rantala <tt.rantala@gmail.com> Signed-off-by: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20140127105413.GC11314@laptop.programming.kicks-ass.net Signed-off-by: Ingo Molnar <mingo@kernel.org>
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