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