diff options
Diffstat (limited to 'include/asm-mips/tlbflush.h')
| -rw-r--r-- | include/asm-mips/tlbflush.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/include/asm-mips/tlbflush.h b/include/asm-mips/tlbflush.h new file mode 100644 index 0000000..bb4ae3c --- /dev/null +++ b/include/asm-mips/tlbflush.h @@ -0,0 +1,55 @@ +#ifndef __ASM_TLBFLUSH_H +#define __ASM_TLBFLUSH_H + +#include <linux/config.h> +#include <linux/mm.h> + +/* + * TLB flushing: + * + * - flush_tlb_all() flushes all processes TLB entries + * - flush_tlb_mm(mm) flushes the specified mm context TLB entries + * - flush_tlb_page(vma, vmaddr) flushes one page + * - flush_tlb_range(vma, start, end) flushes a range of pages + * - flush_tlb_kernel_range(start, end) flushes a range of kernel pages + * - flush_tlb_pgtables(mm, start, end) flushes a range of page tables + */ +extern void local_flush_tlb_all(void); +extern void local_flush_tlb_mm(struct mm_struct *mm); +extern void local_flush_tlb_range(struct vm_area_struct *vma, + unsigned long start, unsigned long end); +extern void local_flush_tlb_kernel_range(unsigned long start, + unsigned long end); +extern void local_flush_tlb_page(struct vm_area_struct *vma, + unsigned long page); +extern void local_flush_tlb_one(unsigned long vaddr); + +#ifdef CONFIG_SMP + +extern void flush_tlb_all(void); +extern void flush_tlb_mm(struct mm_struct *); +extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long, + unsigned long); +extern void flush_tlb_kernel_range(unsigned long, unsigned long); +extern void flush_tlb_page(struct vm_area_struct *, unsigned long); +extern void flush_tlb_one(unsigned long vaddr); + +#else /* CONFIG_SMP */ + +#define flush_tlb_all() local_flush_tlb_all() +#define flush_tlb_mm(mm) local_flush_tlb_mm(mm) +#define flush_tlb_range(vma,vmaddr,end) local_flush_tlb_range(vma, vmaddr, end) +#define flush_tlb_kernel_range(vmaddr,end) \ + local_flush_tlb_kernel_range(vmaddr, end) +#define flush_tlb_page(vma,page) local_flush_tlb_page(vma, page) +#define flush_tlb_one(vaddr) local_flush_tlb_one(vaddr) + +#endif /* CONFIG_SMP */ + +static inline void flush_tlb_pgtables(struct mm_struct *mm, + unsigned long start, unsigned long end) +{ + /* Nothing to do on MIPS. */ +} + +#endif /* __ASM_TLBFLUSH_H */ |