projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | #ifndef __ASM_TLBFLUSH_H |
| 2 | #define __ASM_TLBFLUSH_H | |
| 3 | ||
| 1da177e4 LT |
4 | #include <linux/mm.h> |
| 5 | ||
| 6 | /* | |
| 7 | * TLB flushing: | |
| 8 | * | |
| 9 | * - flush_tlb_all() flushes all processes TLB entries | |
| 10 | * - flush_tlb_mm(mm) flushes the specified mm context TLB entries | |
| 11 | * - flush_tlb_page(vma, vmaddr) flushes one page | |
| 12 | * - flush_tlb_range(vma, start, end) flushes a range of pages | |
| 13 | * - flush_tlb_kernel_range(start, end) flushes a range of kernel pages | |
| 14 | * - flush_tlb_pgtables(mm, start, end) flushes a range of page tables | |
| 15 | */ | |
| 16 | extern void local_flush_tlb_all(void); | |
| 17 | extern void local_flush_tlb_mm(struct mm_struct *mm); | |
| 18 | extern void local_flush_tlb_range(struct vm_area_struct *vma, | |
| 19 | unsigned long start, unsigned long end); | |
| 20 | extern void local_flush_tlb_kernel_range(unsigned long start, | |
| 21 | unsigned long end); | |
| 22 | extern void local_flush_tlb_page(struct vm_area_struct *vma, | |
| 23 | unsigned long page); | |
| 24 | extern void local_flush_tlb_one(unsigned long vaddr); | |
| 25 | ||
| 26 | #ifdef CONFIG_SMP | |
| 27 | ||
| 28 | extern void flush_tlb_all(void); | |
| 29 | extern void flush_tlb_mm(struct mm_struct *); | |
| 30 | extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long, | |
| 31 | unsigned long); | |
| 32 | extern void flush_tlb_kernel_range(unsigned long, unsigned long); | |
| 33 | extern void flush_tlb_page(struct vm_area_struct *, unsigned long); | |
| 34 | extern void flush_tlb_one(unsigned long vaddr); | |
| 35 | ||
| 36 | #else /* CONFIG_SMP */ | |
| 37 | ||
| 38 | #define flush_tlb_all() local_flush_tlb_all() | |
| 39 | #define flush_tlb_mm(mm) local_flush_tlb_mm(mm) | |
| 40 | #define flush_tlb_range(vma,vmaddr,end) local_flush_tlb_range(vma, vmaddr, end) | |
| 41 | #define flush_tlb_kernel_range(vmaddr,end) \ | |
| 42 | local_flush_tlb_kernel_range(vmaddr, end) | |
| 43 | #define flush_tlb_page(vma,page) local_flush_tlb_page(vma, page) | |
| 44 | #define flush_tlb_one(vaddr) local_flush_tlb_one(vaddr) | |
| 45 | ||
| 46 | #endif /* CONFIG_SMP */ | |
| 47 | ||
| 48 | static inline void flush_tlb_pgtables(struct mm_struct *mm, | |
| 49 | unsigned long start, unsigned long end) | |
| 50 | { | |
| 51 | /* Nothing to do on MIPS. */ | |
| 52 | } | |
| 53 | ||
| 54 | #endif /* __ASM_TLBFLUSH_H */ |