swsusp_page_is_free
static int swsusp_page_is_free(struct page *);
if (swsusp_page_is_forbidden(page) || swsusp_page_is_free(page))
if (swsusp_page_is_forbidden(page) || swsusp_page_is_free(page))
while (res && swsusp_page_is_free(virt_to_page(res))) {
if (!swsusp_page_is_free(page)) {
if (swsusp_page_is_forbidden(page) && swsusp_page_is_free(page)) {
if (!swsusp_page_is_free(virt_to_page(lp))) {
if (swsusp_page_is_forbidden(page) && swsusp_page_is_free(page))