disable pwm7

hc

2023-11-22 f743a7adbd6e230d66a6206fa115b59fec2d88eb

 kernel/include/linux/sched/mm.h
..
..
@@ -49,6 +49,17 @@
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 		__mmdrop(mm);
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 }
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+#ifdef CONFIG_PREEMPT_RT_BASE
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+extern void __mmdrop_delayed(struct rcu_head *rhp);
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+static inline void mmdrop_delayed(struct mm_struct *mm)
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+{
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+	if (atomic_dec_and_test(&mm->mm_count))
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+		call_rcu(&mm->delayed_drop, __mmdrop_delayed);
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+}
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+#else
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+# define mmdrop_delayed(mm)	mmdrop(mm)
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+#endif
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+
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 void mmdrop(struct mm_struct *mm);
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 /*