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linux/log2.h: Fix rounddown_pow_of_two(1)
[firefly-linux-kernel-4.4.55.git]
/
include
/
linux
/
stop_machine.h
diff --git
a/include/linux/stop_machine.h
b/include/linux/stop_machine.h
index 092dc9b1ce7d2b507880b9c6e24d0415662a027c..14d3524d12747b8c8caee6452b1259ec178c92ad 100644
(file)
--- a/
include/linux/stop_machine.h
+++ b/
include/linux/stop_machine.h
@@
-27,6
+27,8
@@
struct cpu_stop_work {
struct cpu_stop_done *done;
};
+extern struct mutex stop_cpus_mutex;
+
int stop_one_cpu(unsigned int cpu, cpu_stop_fn_t fn, void *arg);
void stop_one_cpu_nowait(unsigned int cpu, cpu_stop_fn_t fn, void *arg,
struct cpu_stop_work *work_buf);