diff options
Diffstat (limited to 'mm/mmap.c')
| -rw-r--r-- | mm/mmap.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/mm/mmap.c b/mm/mmap.c index 29ffd58d4091..12545ec9cdeb 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -682,6 +682,14 @@ int __vma_adjust(struct vma_iterator *vmi, struct vm_area_struct *vma, if (vma_iter_prealloc(vmi)) return -ENOMEM; + anon_vma = vma->anon_vma; + if (!anon_vma && adjust_next) + anon_vma = next->anon_vma; + + if (anon_vma) + VM_WARN_ON(adjust_next && next->anon_vma && + anon_vma != next->anon_vma); + vma_adjust_trans_huge(orig_vma, start, end, adjust_next); if (file) { mapping = file->f_mapping; @@ -703,12 +711,7 @@ int __vma_adjust(struct vma_iterator *vmi, struct vm_area_struct *vma, } } - anon_vma = vma->anon_vma; - if (!anon_vma && adjust_next) - anon_vma = next->anon_vma; if (anon_vma) { - VM_WARN_ON(adjust_next && next->anon_vma && - anon_vma != next->anon_vma); anon_vma_lock_write(anon_vma); anon_vma_interval_tree_pre_update_vma(vma); if (adjust_next) |