4589 void lru_gen_look_around(struct page_vma_mapped_walk *pvmw)  in lru_gen_look_around()  argument
4599 	struct folio *folio = pfn_folio(pvmw->pfn);  in lru_gen_look_around()
4606 	lockdep_assert_held(pvmw->ptl);  in lru_gen_look_around()
4609 	if (spin_is_contended(pvmw->ptl))  in lru_gen_look_around()
4615 	start = max(pvmw->address & PMD_MASK, pvmw->vma->vm_start);  in lru_gen_look_around()
4616 	end = min(pvmw->address | ~PMD_MASK, pvmw->vma->vm_end - 1) + 1;  in lru_gen_look_around()
4619 		if (pvmw->address - start < MIN_LRU_BATCH * PAGE_SIZE / 2)  in lru_gen_look_around()
4621 		else if (end - pvmw->address < MIN_LRU_BATCH * PAGE_SIZE / 2)  in lru_gen_look_around()
4624 			start = pvmw->address - MIN_LRU_BATCH * PAGE_SIZE / 2;  in lru_gen_look_around()
4625 			end = pvmw->address + MIN_LRU_BATCH * PAGE_SIZE / 2;  in lru_gen_look_around()
4629 	pte = pvmw->pte - (pvmw->address - start) / PAGE_SIZE;  in lru_gen_look_around()
4637 		pfn = get_pte_pfn(pte[i], pvmw->vma, addr);  in lru_gen_look_around()
4648 		if (!ptep_test_and_clear_young(pvmw->vma, addr, pte + i))  in lru_gen_look_around()
4670 		update_bloom_filter(lruvec, max_seq, pvmw->pmd);  in lru_gen_look_around()