45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
|
/* 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 */
|