diff options
Diffstat (limited to 'arch/powerpc/include/asm/book3s')
| -rw-r--r-- | arch/powerpc/include/asm/book3s/32/tlbflush.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/book3s/32/tlbflush.h b/arch/powerpc/include/asm/book3s/32/tlbflush.h index 2f480d184526..42708c1719d6 100644 --- a/arch/powerpc/include/asm/book3s/32/tlbflush.h +++ b/arch/powerpc/include/asm/book3s/32/tlbflush.h @@ -8,7 +8,7 @@ */ void hash__flush_tlb_mm(struct mm_struct *mm); void hash__flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr); -void flush_range(struct mm_struct *mm, unsigned long start, unsigned long end); +void hash__flush_range(struct mm_struct *mm, unsigned long start, unsigned long end); #ifdef CONFIG_SMP void _tlbie(unsigned long address); @@ -20,6 +20,17 @@ static inline void _tlbie(unsigned long address) #endif void _tlbia(void); +static inline void flush_range(struct mm_struct *mm, unsigned long start, unsigned long end) +{ + start &= PAGE_MASK; + if (mmu_has_feature(MMU_FTR_HPTE_TABLE)) + hash__flush_range(mm, start, end); + else if (end - start <= PAGE_SIZE) + _tlbie(start); + else + _tlbia(); +} + static inline void flush_tlb_mm(struct mm_struct *mm) { if (mmu_has_feature(MMU_FTR_HPTE_TABLE)) |