1 /* 2 * OpenRISC Linux 3 * 4 * Linux architectural port borrowing liberally from similar works of 5 * others. All original copyrights apply as per the original source 6 * declaration. 7 * 8 * OpenRISC implementation: 9 * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com> 10 * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se> 11 * et al. 12 * 13 * This program is free software; you can redistribute it and/or modify 14 * it under the terms of the GNU General Public License as published by 15 * the Free Software Foundation; either version 2 of the License, or 16 * (at your option) any later version. 17 */ 18 19 #ifndef __ASM_OPENRISC_TLBFLUSH_H 20 #define __ASM_OPENRISC_TLBFLUSH_H 21 22 #include <linux/mm.h> 23 #include <asm/processor.h> 24 #include <asm/pgtable.h> 25 #include <asm/pgalloc.h> 26 #include <asm/current.h> 27 #include <linux/sched.h> 28 29 /* 30 * - flush_tlb() flushes the current mm struct TLBs 31 * - flush_tlb_all() flushes all processes TLBs 32 * - flush_tlb_mm(mm) flushes the specified mm context TLB's 33 * - flush_tlb_page(vma, vmaddr) flushes one page 34 * - flush_tlb_range(mm, start, end) flushes a range of pages 35 */ 36 37 void flush_tlb_all(void); 38 void flush_tlb_mm(struct mm_struct *mm); 39 void flush_tlb_page(struct vm_area_struct *vma, unsigned long addr); 40 void flush_tlb_range(struct vm_area_struct *vma, 41 unsigned long start, 42 unsigned long end); 43 44 static inline void flush_tlb(void) 45 { 46 flush_tlb_mm(current->mm); 47 } 48 49 static inline void flush_tlb_kernel_range(unsigned long start, 50 unsigned long end) 51 { 52 flush_tlb_range(NULL, start, end); 53 } 54 55 #endif /* __ASM_OPENRISC_TLBFLUSH_H */ 56