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