| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 1 | #ifndef __ASM_TLBFLUSH_H |
| 2 | #define __ASM_TLBFLUSH_H |
| 3 | |
| 4 | #include <linux/config.h> |
| 5 | #include <linux/mm.h> |
| 6 | |
| 7 | /* |
| 8 | * TLB flushing: |
| 9 | * |
| 10 | * - flush_tlb_all() flushes all processes TLB entries |
| 11 | * - flush_tlb_mm(mm) flushes the specified mm context TLB entries |
| 12 | * - flush_tlb_page(vma, vmaddr) flushes one page |
| 13 | * - flush_tlb_range(vma, start, end) flushes a range of pages |
| 14 | * - flush_tlb_kernel_range(start, end) flushes a range of kernel pages |
| 15 | * - flush_tlb_pgtables(mm, start, end) flushes a range of page tables |
| 16 | */ |
| 17 | extern void local_flush_tlb_all(void); |
| 18 | extern void local_flush_tlb_mm(struct mm_struct *mm); |
| 19 | extern void local_flush_tlb_range(struct vm_area_struct *vma, |
| 20 | unsigned long start, unsigned long end); |
| 21 | extern void local_flush_tlb_kernel_range(unsigned long start, |
| 22 | unsigned long end); |
| 23 | extern void local_flush_tlb_page(struct vm_area_struct *vma, |
| 24 | unsigned long page); |
| 25 | extern void local_flush_tlb_one(unsigned long vaddr); |
| 26 | |
| 27 | #ifdef CONFIG_SMP |
| 28 | |
| 29 | extern void flush_tlb_all(void); |
| 30 | extern void flush_tlb_mm(struct mm_struct *); |
| 31 | extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long, |
| 32 | unsigned long); |
| 33 | extern void flush_tlb_kernel_range(unsigned long, unsigned long); |
| 34 | extern void flush_tlb_page(struct vm_area_struct *, unsigned long); |
| 35 | extern void flush_tlb_one(unsigned long vaddr); |
| 36 | |
| 37 | #else /* CONFIG_SMP */ |
| 38 | |
| 39 | #define flush_tlb_all() local_flush_tlb_all() |
| 40 | #define flush_tlb_mm(mm) local_flush_tlb_mm(mm) |
| 41 | #define flush_tlb_range(vma,vmaddr,end) local_flush_tlb_range(vma, vmaddr, end) |
| 42 | #define flush_tlb_kernel_range(vmaddr,end) \ |
| 43 | local_flush_tlb_kernel_range(vmaddr, end) |
| 44 | #define flush_tlb_page(vma,page) local_flush_tlb_page(vma, page) |
| 45 | #define flush_tlb_one(vaddr) local_flush_tlb_one(vaddr) |
| 46 | |
| 47 | #endif /* CONFIG_SMP */ |
| 48 | |
| 49 | static inline void flush_tlb_pgtables(struct mm_struct *mm, |
| 50 | unsigned long start, unsigned long end) |
| 51 | { |
| 52 | /* Nothing to do on MIPS. */ |
| 53 | } |
| 54 | |
| 55 | #endif /* __ASM_TLBFLUSH_H */ |