highWaterMark: 100,
Once the image is generated, we can do pretty much whatever we want with it: use it to generate a .qcow2 image for a VM, couple it with anaconda to do a bare-metal installation, store it in an image registry to deploy on cloud servers, etc.
，更多细节参见heLLoword翻译官方下载
Сайт Роскомнадзора атаковали18:00
return (struct page_info *)(((unsigned long long)x) & ~(PAGESZ-1));