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由 Peter Zijlstra 提交于
Oleg noticed that need_migrate_task() doesn't need the ->on_cpu check now that ttwu() doesn't do remote enqueues for !->on_rq && ->on_cpu, so remove the helper and replace the single instance with a direct ->on_rq test. Suggested-by: NOleg Nesterov <oleg@redhat.com> Reviewed-by: NFrank Rowand <frank.rowand@am.sony.com> Signed-off-by: NPeter Zijlstra <a.p.zijlstra@chello.nl> Cc: Mike Galbraith <efault@gmx.de> Cc: Nick Piggin <npiggin@kernel.dk> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Andrew Morton <akpm@linux-foundation.org> Link: http://lkml.kernel.org/r/20110405152729.556674812@chello.nlSigned-off-by: NIngo Molnar <mingo@elte.hu>
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