diff options
Diffstat (limited to 'kernel/fork.c')
-rw-r--r-- | kernel/fork.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index 1499607e4da2..f78f50ba6cb2 100644 --- a/kernel/fork.c +++ b/kernel/fork.c | |||
@@ -529,6 +529,9 @@ void __mmdrop(struct mm_struct *mm) | |||
529 | mm_free_pgd(mm); | 529 | mm_free_pgd(mm); |
530 | destroy_context(mm); | 530 | destroy_context(mm); |
531 | mmu_notifier_mm_destroy(mm); | 531 | mmu_notifier_mm_destroy(mm); |
532 | #ifdef CONFIG_TRANSPARENT_HUGEPAGE | ||
533 | VM_BUG_ON(mm->pmd_huge_pte); | ||
534 | #endif | ||
532 | free_mm(mm); | 535 | free_mm(mm); |
533 | } | 536 | } |
534 | EXPORT_SYMBOL_GPL(__mmdrop); | 537 | EXPORT_SYMBOL_GPL(__mmdrop); |
@@ -669,6 +672,10 @@ struct mm_struct *dup_mm(struct task_struct *tsk) | |||
669 | mm->token_priority = 0; | 672 | mm->token_priority = 0; |
670 | mm->last_interval = 0; | 673 | mm->last_interval = 0; |
671 | 674 | ||
675 | #ifdef CONFIG_TRANSPARENT_HUGEPAGE | ||
676 | mm->pmd_huge_pte = NULL; | ||
677 | #endif | ||
678 | |||
672 | if (!mm_init(mm, tsk)) | 679 | if (!mm_init(mm, tsk)) |
673 | goto fail_nomem; | 680 | goto fail_nomem; |
674 | 681 | ||