diff options
-rw-r--r-- | mm/mmap.c | 6 |
1 files changed, 5 insertions, 1 deletions
@@ -573,8 +573,12 @@ again: remove_next = 1 + (end > next->vm_end); */ if (vma->anon_vma && (importer || start != vma->vm_start)) { anon_vma = vma->anon_vma; + VM_BUG_ON(adjust_next && next->anon_vma && + anon_vma != next->anon_vma); + } else if (adjust_next && next->anon_vma) + anon_vma = next->anon_vma; + if (anon_vma) anon_vma_lock(anon_vma); - } if (root) { flush_dcache_mmap_lock(mapping); |