projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | #ifndef _CRIS_TLBFLUSH_H |
| 2 | #define _CRIS_TLBFLUSH_H | |
| 3 | ||
| 4 | #include <linux/config.h> | |
| 5 | #include <linux/mm.h> | |
| 6 | #include <asm/processor.h> | |
| 7 | #include <asm/pgtable.h> | |
| 8 | #include <asm/pgalloc.h> | |
| 9 | ||
| 10 | /* | |
| 11 | * TLB flushing (implemented in arch/cris/mm/tlb.c): | |
| 12 | * | |
| 13 | * - flush_tlb() flushes the current mm struct TLBs | |
| 14 | * - flush_tlb_all() flushes all processes TLBs | |
| 15 | * - flush_tlb_mm(mm) flushes the specified mm context TLB's | |
| 16 | * - flush_tlb_page(vma, vmaddr) flushes one page | |
| 17 | * - flush_tlb_range(mm, start, end) flushes a range of pages | |
| 18 | * | |
| 19 | */ | |
| 20 | ||
| 8d20a541 MS |
21 | extern void __flush_tlb_all(void); |
| 22 | extern void __flush_tlb_mm(struct mm_struct *mm); | |
| 23 | extern void __flush_tlb_page(struct vm_area_struct *vma, | |
| 24 | unsigned long addr); | |
| 25 | ||
| 26 | #ifdef CONFIG_SMP | |
| 1da177e4 LT |
27 | extern void flush_tlb_all(void); |
| 28 | extern void flush_tlb_mm(struct mm_struct *mm); | |
| 29 | extern void flush_tlb_page(struct vm_area_struct *vma, | |
| 30 | unsigned long addr); | |
| 8d20a541 MS |
31 | #else |
| 32 | #define flush_tlb_all __flush_tlb_all | |
| 33 | #define flush_tlb_mm __flush_tlb_mm | |
| 34 | #define flush_tlb_page __flush_tlb_page | |
| 35 | #endif | |
| 36 | ||
| 37 | static inline void flush_tlb_range(struct vm_area_struct * vma, unsigned long start, unsigned long end) | |
| 38 | { | |
| 39 | flush_tlb_mm(vma->vm_mm); | |
| 40 | } | |
| 1da177e4 LT |
41 | |
| 42 | extern inline void flush_tlb_pgtables(struct mm_struct *mm, | |
| 43 | unsigned long start, unsigned long end) | |
| 44 | { | |
| 45 | /* CRIS does not keep any page table caches in TLB */ | |
| 46 | } | |
| 47 | ||
| 48 | ||
| 49 | extern inline void flush_tlb(void) | |
| 50 | { | |
| 51 | flush_tlb_mm(current->mm); | |
| 52 | } | |
| 53 | ||
| 54 | #define flush_tlb_kernel_range(start, end) flush_tlb_all() | |
| 55 | ||
| 56 | #endif /* _CRIS_TLBFLUSH_H */ |