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Linux/arch/mips/include/asm/tlbflush.h

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  1 /* SPDX-License-Identifier: GPL-2.0 */
  2 #ifndef __ASM_TLBFLUSH_H
  3 #define __ASM_TLBFLUSH_H
  4 
  5 #include <linux/mm.h>
  6 
  7 /*
  8  * TLB flushing:
  9  *
 10  *  - flush_tlb_all() flushes all processes TLB entries
 11  *  - flush_tlb_mm(mm) flushes the specified mm context TLB entries
 12  *  - flush_tlb_page(vma, vmaddr) flushes one page
 13  *  - flush_tlb_range(vma, start, end) flushes a range of pages
 14  *  - flush_tlb_kernel_range(start, end) flushes a range of kernel pages
 15  */
 16 extern void local_flush_tlb_all(void);
 17 extern void local_flush_tlb_range(struct vm_area_struct *vma,
 18         unsigned long start, unsigned long end);
 19 extern void local_flush_tlb_kernel_range(unsigned long start,
 20         unsigned long end);
 21 extern void local_flush_tlb_page(struct vm_area_struct *vma,
 22         unsigned long page);
 23 extern void local_flush_tlb_one(unsigned long vaddr);
 24 
 25 #include <asm/mmu_context.h>
 26 
 27 #ifdef CONFIG_SMP
 28 
 29 extern void flush_tlb_all(void);
 30 extern void flush_tlb_mm(struct mm_struct *);
 31 extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long,
 32         unsigned long);
 33 extern void flush_tlb_kernel_range(unsigned long, unsigned long);
 34 extern void flush_tlb_page(struct vm_area_struct *, unsigned long);
 35 extern void flush_tlb_one(unsigned long vaddr);
 36 
 37 #else /* CONFIG_SMP */
 38 
 39 #define flush_tlb_all()                 local_flush_tlb_all()
 40 #define flush_tlb_mm(mm)                drop_mmu_context(mm)
 41 #define flush_tlb_range(vma, vmaddr, end)       local_flush_tlb_range(vma, vmaddr, end)
 42 #define flush_tlb_kernel_range(vmaddr,end) \
 43         local_flush_tlb_kernel_range(vmaddr, end)
 44 #define flush_tlb_page(vma, page)       local_flush_tlb_page(vma, page)
 45 #define flush_tlb_one(vaddr)            local_flush_tlb_one(vaddr)
 46 
 47 #endif /* CONFIG_SMP */
 48 
 49 #endif /* __ASM_TLBFLUSH_H */
 50 

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