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由 Peter Williams 提交于
The introduction of SCHED_BATCH scheduling class with a value of 3 means that the expression (p->policy & SCHED_FIFO) will return true if policy is SCHED_BATCH or SCHED_FIFO. Unfortunately, this expression is used in sys_sched_rr_get_interval() and in the absence of a comment to say that this is intentional I presume that it is unintentional and erroneous. The fix is to change the expression to (p->policy == SCHED_FIFO). Acked-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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