vma_start_pgoff 25 mm/interval_tree.c vma_start_pgoff, vma_last_pgoff,, vma_interval_tree) vma_start_pgoff 36 mm/interval_tree.c VM_BUG_ON_VMA(vma_start_pgoff(node) != vma_start_pgoff(prev), node); vma_start_pgoff 63 mm/interval_tree.c return vma_start_pgoff(avc->vma);