set_page_private
set_page_private(page, (unsigned long)level);
set_page_private(virt_to_page(sp->spt), (unsigned long)sp);
set_page_private(virt_to_page(sp->spt), (unsigned long)sp);
set_page_private(page, (unsigned long)mdata);
set_page_private(page, idx);
set_page_private(page, 0);
set_page_private(tmp, (unsigned long)page);
set_page_private(page, 0);
set_page_private(pages[i], (unsigned long)foreign);
set_page_private(ciphertext_page, (unsigned long)folio);
set_page_private(bounce_page, (unsigned long)NULL);
set_page_private(victim, Z_EROFS_SHORTLIVED_PAGE);
set_page_private(*pgo, Z_EROFS_SHORTLIVED_PAGE);
set_page_private(tmppage, Z_EROFS_SHORTLIVED_PAGE);
set_page_private(victim, Z_EROFS_SHORTLIVED_PAGE);
set_page_private(page, (unsigned long)*pagepool);
set_page_private(nextpage, Z_EROFS_SHORTLIVED_PAGE);
set_page_private(page, order);
set_page_private(pages, order);
set_page_private(buf->page_array[i], (unsigned long)buf);
set_page_private(page, (unsigned long)balloon);
set_page_private(page, 0);
set_page_private(page, info << 4 | type);
set_page_private(page, 0);
set_page_private(page, order);
set_page_private(&freepage[size], start_order);
set_page_private(page, order);
set_page_private(page, order);
set_page_private(page, 0);
set_page_private(p, 0);
set_page_private(page, MAGIC_HWPOISON);
set_page_private(page, 0);
set_page_private(page, 0);
set_page_private(page, order);
set_page_private(page, 0);
set_page_private(head, SWP_CONTINUED);
set_page_private(page, (unsigned long)head);