/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (C) 2010 Tobias Klauser <tklauser@distanz.ch>
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*/
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#ifndef _ASM_NIOS2_TLBFLUSH_H
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#define _ASM_NIOS2_TLBFLUSH_H
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struct mm_struct;
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/*
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* TLB flushing:
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*
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* - flush_tlb_all() flushes all processes TLB entries
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* - flush_tlb_mm(mm) flushes the specified mm context TLB entries
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* - flush_tlb_range(vma, start, end) flushes a range of pages
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* - flush_tlb_page(vma, address) flushes a page
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* - flush_tlb_kernel_range(start, end) flushes a range of kernel pages
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* - flush_tlb_kernel_page(address) flushes a kernel page
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*
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* - reload_tlb_page(vma, address, pte) flushes the TLB for address like
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* flush_tlb_page, then replaces it with a TLB for pte.
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*/
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extern void flush_tlb_all(void);
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extern void flush_tlb_mm(struct mm_struct *mm);
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extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
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unsigned long end);
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extern void flush_tlb_kernel_range(unsigned long start, unsigned long end);
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static inline void flush_tlb_page(struct vm_area_struct *vma,
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unsigned long address)
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{
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flush_tlb_range(vma, address, address + PAGE_SIZE);
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}
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static inline void flush_tlb_kernel_page(unsigned long address)
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{
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flush_tlb_kernel_range(address, address + PAGE_SIZE);
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}
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extern void reload_tlb_page(struct vm_area_struct *vma, unsigned long addr,
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pte_t pte);
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#endif /* _ASM_NIOS2_TLBFLUSH_H */
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