540     std::atomic<Block*> head;  member in rml::internal::FreeBlockPool
568     std::atomic<LargeMemoryBlock*> head;  member in rml::internal::LocalLOCImpl
576     LocalLOCImpl() : tail(nullptr), head(nullptr), totalSize(0), numOfBlocks(0) {}  in LocalLOCImpl()
665     MALLOC_ASSERT(head!=tls, ASSERT_TEXT);  in registerThread()
666     tls->next = head;  in registerThread()
667     if (head)  in registerThread()
668         head->prev = tls;  in registerThread()
669     head = tls;  in registerThread()
670     MALLOC_ASSERT(head->next!=head, ASSERT_TEXT);  in registerThread()
676     MALLOC_ASSERT(head, "Can't unregister thread: no threads are registered.");  in unregisterThread()
677     if (head == tls)  in unregisterThread()
678         head = tls->next;  in unregisterThread()
691         for (TLSRemote *curr=head; curr; curr=curr->next)  in cleanup()
704     for (TLSRemote *curr=head; curr; curr=curr->next)  in markUnused()
1650     Block *b = head.exchange(nullptr);  in getBlock()
1657         head.store(newHead, std::memory_order_release);  in getBlock()
1667     Block *localHead = head.exchange(nullptr);  in returnBlock()
1691     head.store(block, std::memory_order_release);  in returnBlock()
1699     for (Block *currBl=head.exchange(nullptr); currBl; currBl=helper) {  in externalCleanup()
2202     LargeMemoryBlock *localHead = head.exchange(nullptr);  in put()
2231     head.store(localHead, std::memory_order_release);  in put()
2244     if (!head.load(std::memory_order_acquire) || (localHead = head.exchange(nullptr)) == nullptr) {  in get()
2267     head.store(localHead, std::memory_order_release);  in get()
2274     if (LargeMemoryBlock *localHead = head.exchange(nullptr)) {  in externalCleanup()