[PATCH] unpaged: copy_page_range vma
For copy_one_pte's print_bad_pte to show the task correctly (instead of "???"), dup_mmap must pass down parent vma rather than child vma. Signed-off-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -263,7 +263,7 @@ static inline int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm)
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rb_parent = &tmp->vm_rb;
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rb_parent = &tmp->vm_rb;
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mm->map_count++;
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mm->map_count++;
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retval = copy_page_range(mm, oldmm, tmp);
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retval = copy_page_range(mm, oldmm, mpnt);
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if (tmp->vm_ops && tmp->vm_ops->open)
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if (tmp->vm_ops && tmp->vm_ops->open)
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tmp->vm_ops->open(tmp);
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tmp->vm_ops->open(tmp);
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