vma_interval_tree_remove
void vma_interval_tree_remove(struct vm_area_struct *node,
vma_interval_tree_remove(vma, &mapping->i_mmap);
vma_interval_tree_remove(vma, &mapping->i_mmap);
vma_interval_tree_remove(vp->vma, &vp->mapping->i_mmap);
vma_interval_tree_remove(vp->adj_next,