diff options
Diffstat (limited to 'arch/um/include/asm/tlb.h')
| -rw-r--r-- | arch/um/include/asm/tlb.h | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/arch/um/include/asm/tlb.h b/arch/um/include/asm/tlb.h index 4febacd1a8a..16eb63fac57 100644 --- a/arch/um/include/asm/tlb.h +++ b/arch/um/include/asm/tlb.h @@ -45,10 +45,12 @@ static inline void init_tlb_gather(struct mmu_gather *tlb) } static inline void -tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned int full_mm_flush) +tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned long start, unsigned long end) { tlb->mm = mm; - tlb->fullmm = full_mm_flush; + tlb->start = start; + tlb->end = end; + tlb->fullmm = !(start | (end+1)); init_tlb_gather(tlb); } @@ -57,13 +59,25 @@ extern void flush_tlb_mm_range(struct mm_struct *mm, unsigned long start, unsigned long end); static inline void +tlb_flush_mmu_tlbonly(struct mmu_gather *tlb) +{ + flush_tlb_mm_range(tlb->mm, tlb->start, tlb->end); +} + +static inline void +tlb_flush_mmu_free(struct mmu_gather *tlb) +{ + init_tlb_gather(tlb); +} + +static inline void tlb_flush_mmu(struct mmu_gather *tlb) { if (!tlb->need_flush) return; - flush_tlb_mm_range(tlb->mm, tlb->start, tlb->end); - init_tlb_gather(tlb); + tlb_flush_mmu_tlbonly(tlb); + tlb_flush_mmu_free(tlb); } /* tlb_finish_mmu |