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										 |  |  | #ifndef _ASM_X86_MMU_H
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							|  |  |  | #define _ASM_X86_MMU_H
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							|  |  |  | #include <linux/spinlock.h>
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							|  |  |  | #include <linux/mutex.h>
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							|  |  |  | /*
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							|  |  |  |  * The x86 doesn't have a mmu context, but | 
					
						
							|  |  |  |  * we put the segment information here. | 
					
						
							|  |  |  |  */ | 
					
						
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										 |  |  | typedef struct { | 
					
						
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										 |  |  | 	void *ldt; | 
					
						
							|  |  |  | 	int size; | 
					
						
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							|  |  |  | #ifdef CONFIG_X86_64
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							|  |  |  | 	/* True if mm supports a task running in 32 bit compatibility mode. */ | 
					
						
							|  |  |  | 	unsigned short ia32_compat; | 
					
						
							|  |  |  | #endif
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										 |  |  | 	struct mutex lock; | 
					
						
							|  |  |  | 	void *vdso; | 
					
						
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										 |  |  | } mm_context_t; | 
					
						
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										 |  |  | #ifdef CONFIG_SMP
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							|  |  |  | void leave_mm(int cpu); | 
					
						
							|  |  |  | #else
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							|  |  |  | static inline void leave_mm(int cpu) | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  | } | 
					
						
							|  |  |  | #endif
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										 |  |  | #endif /* _ASM_X86_MMU_H */
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