pavc              264 mm/rmap.c      	struct anon_vma_chain *avc, *pavc;
pavc              267 mm/rmap.c      	list_for_each_entry_reverse(pavc, &src->anon_vma_chain, same_vma) {
pavc              278 mm/rmap.c      		anon_vma = pavc->anon_vma;