diff options
-rw-r--r-- | include/linux/mm_types.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index e5c49c30460f..ad0616f2fe2c 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h | |||
@@ -482,7 +482,12 @@ static inline bool mm_tlb_flush_pending(struct mm_struct *mm) | |||
482 | static inline void set_tlb_flush_pending(struct mm_struct *mm) | 482 | static inline void set_tlb_flush_pending(struct mm_struct *mm) |
483 | { | 483 | { |
484 | mm->tlb_flush_pending = true; | 484 | mm->tlb_flush_pending = true; |
485 | barrier(); | 485 | |
486 | /* | ||
487 | * Guarantee that the tlb_flush_pending store does not leak into the | ||
488 | * critical section updating the page tables | ||
489 | */ | ||
490 | smp_mb__before_spinlock(); | ||
486 | } | 491 | } |
487 | /* Clearing is done after a TLB flush, which also provides a barrier. */ | 492 | /* Clearing is done after a TLB flush, which also provides a barrier. */ |
488 | static inline void clear_tlb_flush_pending(struct mm_struct *mm) | 493 | static inline void clear_tlb_flush_pending(struct mm_struct *mm) |