| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /*  | 
 | 2 |  * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) | 
 | 3 |  * Licensed under the GPL | 
 | 4 |  */ | 
 | 5 |  | 
 | 6 | #ifndef __UM_TLBFLUSH_H | 
 | 7 | #define __UM_TLBFLUSH_H | 
 | 8 |  | 
 | 9 | #include <linux/mm.h> | 
| Jeff Dike | 16dd07b | 2007-05-06 14:51:48 -0700 | [diff] [blame] | 10 | #include "choose-mode.h" | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 11 |  | 
 | 12 | /* | 
 | 13 |  * TLB flushing: | 
 | 14 |  * | 
 | 15 |  *  - flush_tlb() flushes the current mm struct TLBs | 
 | 16 |  *  - flush_tlb_all() flushes all processes TLBs | 
 | 17 |  *  - flush_tlb_mm(mm) flushes the specified mm context TLB's | 
 | 18 |  *  - flush_tlb_page(vma, vmaddr) flushes one page | 
 | 19 |  *  - flush_tlb_kernel_vm() flushes the kernel vm area | 
 | 20 |  *  - flush_tlb_range(vma, start, end) flushes a range of pages | 
 | 21 |  *  - flush_tlb_pgtables(mm, start, end) flushes a range of page tables | 
 | 22 |  */ | 
 | 23 |  | 
 | 24 | extern void flush_tlb_all(void); | 
 | 25 | extern void flush_tlb_mm(struct mm_struct *mm); | 
 | 26 | extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,  | 
 | 27 | 			    unsigned long end); | 
| Jeff Dike | 16dd07b | 2007-05-06 14:51:48 -0700 | [diff] [blame] | 28 | extern void flush_tlb_page_skas(struct vm_area_struct *vma, | 
 | 29 | 				unsigned long address); | 
 | 30 |  | 
 | 31 | static inline void flush_tlb_page(struct vm_area_struct *vma, | 
 | 32 | 				  unsigned long address) | 
 | 33 | { | 
 | 34 | 	address &= PAGE_MASK; | 
 | 35 |  | 
 | 36 | 	CHOOSE_MODE(flush_tlb_range(vma, address, address + PAGE_SIZE), | 
 | 37 | 		    flush_tlb_page_skas(vma, address)); | 
 | 38 | } | 
 | 39 |  | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 40 | extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr); | 
 | 41 | extern void flush_tlb_kernel_vm(void); | 
 | 42 | extern void flush_tlb_kernel_range(unsigned long start, unsigned long end); | 
 | 43 | extern void __flush_tlb_one(unsigned long addr); | 
 | 44 |  | 
 | 45 | static inline void flush_tlb_pgtables(struct mm_struct *mm, | 
 | 46 | 				      unsigned long start, unsigned long end) | 
 | 47 | { | 
 | 48 | } | 
 | 49 |  | 
 | 50 | #endif |