kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/include/linux/mm_types.h
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@@ -12,7 +12,6 @@
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 #include <linux/completion.h>
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 #include <linux/cpumask.h>
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 #include <linux/uprobes.h>
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-#include <linux/rcupdate.h>
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 #include <linux/page-flags-layout.h>
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 #include <linux/workqueue.h>
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 #include <linux/seqlock.h>
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@@ -591,9 +590,6 @@
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 		bool tlb_flush_batched;
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 #endif
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 		struct uprobes_state uprobes_state;
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-#ifdef CONFIG_PREEMPT_RT
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-		struct rcu_head delayed_drop;
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-#endif
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 #ifdef CONFIG_HUGETLB_PAGE
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 		atomic_long_t hugetlb_usage;
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 #endif