SGX_EPC_PAGE_RECLAIMER_TRACKED
WARN_ON_ONCE(page->flags & SGX_EPC_PAGE_RECLAIMER_TRACKED);
epc_page->flags &= ~SGX_EPC_PAGE_RECLAIMER_TRACKED;
epc_page->flags &= ~SGX_EPC_PAGE_RECLAIMER_TRACKED;
page->flags |= SGX_EPC_PAGE_RECLAIMER_TRACKED;
if (page->flags & SGX_EPC_PAGE_RECLAIMER_TRACKED) {
page->flags &= ~SGX_EPC_PAGE_RECLAIMER_TRACKED;