156 	struct page *zero_page;  in get_huge_zero_page()  local
161 	zero_page = alloc_pages((GFP_TRANSHUGE | __GFP_ZERO) & ~__GFP_MOVABLE,  in get_huge_zero_page()
163 	if (!zero_page) {  in get_huge_zero_page()
168 	if (cmpxchg(&huge_zero_page, NULL, zero_page)) {  in get_huge_zero_page()
170 		__free_pages(zero_page, compound_order(zero_page));  in get_huge_zero_page()
173 	WRITE_ONCE(huge_zero_pfn, page_to_pfn(zero_page));  in get_huge_zero_page()
222 		struct page *zero_page = xchg(&huge_zero_page, NULL);  in shrink_huge_zero_page_scan()  local
223 		BUG_ON(zero_page == NULL);  in shrink_huge_zero_page_scan()
225 		__free_pages(zero_page, compound_order(zero_page));  in shrink_huge_zero_page_scan()
762 		struct page *zero_page)  in set_huge_zero_page()  argument
767 	entry = mk_pmd(zero_page, vma->vm_page_prot);  in set_huge_zero_page()
791 		struct page *zero_page;  in do_huge_pmd_anonymous_page()  local
796 		zero_page = mm_get_huge_zero_page(vma->vm_mm);  in do_huge_pmd_anonymous_page()
797 		if (unlikely(!zero_page)) {  in do_huge_pmd_anonymous_page()
816 						   haddr, vmf->pmd, zero_page);  in do_huge_pmd_anonymous_page()