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commit fbaa6a181a4b1886cbf4214abdf9a2df68471510 upstream. In preparation for freezer to also use saved_state, remove the CONFIG_PREEMPT_RT compilation guard around saved_state. On the arm64 platform I tested which did not have CONFIG_PREEMPT_RT, there was no statistically significant deviation by applying this patch. Test methodology: perf bench sched message -g 40 -l 40 Signed-off-by: Elliot Berman <quic_eberman@quicinc.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Chen Ridong <chenridong@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>