sched/fair: Make some variables static
The variables are local to the source and do not need to be in global scope, so make them static. Signed-off-by: Muchun Song <smuchun@gmail.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/20181110075202.61172-1-smuchun@gmail.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
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