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/*
* Copyright (C) 2010 Tobias Klauser <tklauser@distanz.ch>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#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 */
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