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

INCLUDED FROM

   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 */