void
MEMiInitHeapHead(CommonHeap *heap, HeapType type, uint32_t dataStart, uint32_t dataEnd)
{
heap->tag = type;
MEMInitList(&heap->list, offsetof(CommonHeap, link));
heap->dataStart = dataStart;
heap->dataEnd = dataEnd;
OSInitSpinLock(&heap->lock);
heap->flags = 0;
if (auto list = findListContainingHeap(heap)) {
MEMAppendListObject(list, heap);
}
}
void
MEMInsertListObject(MemoryList *list, void *before, void *object)
{
if (!before) {
// Insert at end
MEMAppendListObject(list, object);
return;
}
if (list->head == before) {
// Insert before head
MEMPrependListObject(list, object);
return;
}
// Insert to middle of list
auto link = getLink(list, object);
auto other = getLink(list, before);
link->prev = other->prev;
link->next = before;
other->prev = object;
list->count++;
}