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