diff options
Diffstat (limited to 'arch/mips/include/asm/tlb.h')
-rw-r--r-- | arch/mips/include/asm/tlb.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/mips/include/asm/tlb.h b/arch/mips/include/asm/tlb.h new file mode 100644 index 000000000..4a2349302 --- /dev/null +++ b/arch/mips/include/asm/tlb.h @@ -0,0 +1,27 @@ +#ifndef __ASM_TLB_H +#define __ASM_TLB_H + +/* + * MIPS doesn't need any special per-pte or per-vma handling, except + * we need to flush cache for area to be unmapped. + */ +#define tlb_start_vma(tlb, vma) \ + do { \ + if (!tlb->fullmm) \ + flush_cache_range(vma, vma->vm_start, vma->vm_end); \ + } while (0) +#define tlb_end_vma(tlb, vma) do { } while (0) +#define __tlb_remove_tlb_entry(tlb, ptep, address) do { } while (0) + +/* + * .. because we flush the whole mm when it fills up. + */ +#define tlb_flush(tlb) flush_tlb_mm((tlb)->mm) + +#define UNIQUE_ENTRYHI(idx) \ + ((CKSEG0 + ((idx) << (PAGE_SHIFT + 1))) | \ + (cpu_has_tlbinv ? MIPS_ENTRYHI_EHINV : 0)) + +#include <asm-generic/tlb.h> + +#endif /* __ASM_TLB_H */ |