diff options
Diffstat (limited to 'kernel/fork.c')
| -rw-r--r-- | kernel/fork.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index 2ba918f83bde..d2e12b6d2b18 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -658,12 +658,6 @@ static __latent_entropy int dup_mmap(struct mm_struct *mm, retval = -EINTR; goto fail_uprobe_end; } -#ifdef CONFIG_PER_VMA_LOCK - /* Disallow any page faults before calling flush_cache_dup_mm */ - for_each_vma(old_vmi, mpnt) - vma_start_write(mpnt); - vma_iter_set(&old_vmi, 0); -#endif flush_cache_dup_mm(oldmm); uprobe_dup_mmap(oldmm, mm); /* @@ -692,6 +686,7 @@ static __latent_entropy int dup_mmap(struct mm_struct *mm, for_each_vma(old_vmi, mpnt) { struct file *file; + vma_start_write(mpnt); if (mpnt->vm_flags & VM_DONTCOPY) { vm_stat_account(mm, mpnt->vm_flags, -vma_pages(mpnt)); continue; |