disable kernel build waring

hc

2024-05-10 093a6c67005148ae32a5c9e4553491b9f5c2457b

 kernel/include/linux/sched/stat.h
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@@ -8,7 +8,7 @@
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  * Various counters maintained by the scheduler and fork(),
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  * exposed via /proc, sys.c or used by drivers via these APIs.
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  *
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- * ( Note that all these values are aquired without locking,
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+ * ( Note that all these values are acquired without locking,
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  *   so they can only be relied on in narrow circumstances. )
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  */
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@@ -20,7 +20,6 @@
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 extern bool single_task_running(void);
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 extern unsigned long nr_iowait(void);
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 extern unsigned long nr_iowait_cpu(int cpu);
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-extern void get_iowait_load(unsigned long *nr_waiters, unsigned long *load);
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 static inline int sched_info_on(void)
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 {