35 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			35 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: GPL-2.0 */
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| #ifndef __SPARC_MMU_CONTEXT_H
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| #define __SPARC_MMU_CONTEXT_H
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| 
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| #ifndef __ASSEMBLY__
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| 
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| #include <asm-generic/mm_hooks.h>
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| 
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| /* Initialize a new mmu context.  This is invoked when a new
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|  * address space instance (unique or shared) is instantiated.
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|  */
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| #define init_new_context init_new_context
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| int init_new_context(struct task_struct *tsk, struct mm_struct *mm);
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| 
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| /* Destroy a dead context.  This occurs when mmput drops the
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|  * mm_users count to zero, the mmaps have been released, and
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|  * all the page tables have been flushed.  Our job is to destroy
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|  * any remaining processor-specific state.
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|  */
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| #define destroy_context destroy_context
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| void destroy_context(struct mm_struct *mm);
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| 
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| /* Switch the current MM context. */
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| void switch_mm(struct mm_struct *old_mm, struct mm_struct *mm,
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| 	       struct task_struct *tsk);
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| 
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| /* Activate a new MM instance for the current task. */
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| #define activate_mm(active_mm, mm) switch_mm((active_mm), (mm), NULL)
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| 
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| #include <asm-generic/mmu_context.h>
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| 
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| #endif /* !(__ASSEMBLY__) */
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| 
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| #endif /* !(__SPARC_MMU_CONTEXT_H) */
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