The Web streams spec requires promise creation at numerous points — often in hot paths and often invisible to users. Each read() call doesn't just return a promise; internally, the implementation creates additional promises for queue management, pull() coordination, and backpressure signaling.
From press release … to scrap metal site: the Essex supercomputer that’s still a scaffolding yard，推荐阅读新收录的资料获取更多信息
Once the physical frame has been looked up, the next step is to map it into the kernel’s virtual address space with writable permissions. This is done through kmap().，更多细节参见新收录的资料
Evidence Beyond Case Studies。新收录的资料对此有专业解读