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-rw-r--r--kernel/fork.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index 90dace52715..1cd7d581b3b 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -423,7 +423,12 @@ static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm)
mapping->i_mmap_writable++;
flush_dcache_mmap_lock(mapping);
/* insert tmp into the share list, just after mpnt */
- vma_interval_tree_add(tmp, mpnt, mapping);
+ if (unlikely(tmp->vm_flags & VM_NONLINEAR))
+ vma_nonlinear_insert(tmp,
+ &mapping->i_mmap_nonlinear);
+ else
+ vma_interval_tree_insert_after(tmp, mpnt,
+ &mapping->i_mmap);
flush_dcache_mmap_unlock(mapping);
mutex_unlock(&mapping->i_mmap_mutex);
}