linux-master/mm/hugetlb_vmemmap.c

27  * @reuse_page:		the page which is reused for the tail vmemmap pages.
28  * @reuse_addr:		the virtual address of the @reuse_page page.
38 	struct page		*reuse_page;
142 	 * The reuse_page is found 'first' in page table walking before
145 	if (!vmemmap_walk->reuse_page)
146 		vmemmap_walk->reuse_page = pte_page(ptep_get(pte));
216 		list_del(&walk->reuse_page->lru);
226 	entry = mk_pte(walk->reuse_page, pgprot);
257 	BUG_ON(pte_page(ptep_get(pte)) != walk->reuse_page);
336 	walk.reuse_page = alloc_pages_node(nid, gfp_mask, 0);
337 	if (walk.reuse_page) {
338 		copy_page(page_to_virt(walk.reuse_page),
340 		list_add(&walk.reuse_page->lru, vmemmap_pages);