U-Boot > usbusb - USB sub-system Usage:usb start - start (scan) USB controllerusb reset - reset (rescan) USB controllerusb stop [f] - stop USB [f]=force stopusb tree - show USB device treeusb info [dev] - show available USB devicesusb storage - show details of USB storage devicesusb d...【阅读全文】
From http://blog.csdn.net/kickxxx/article/details/50337647当out of memory发生时,out_of_memory函数会选择一个内核认为犯有分配过多内存 “罪行”的进程,并杀死该进程。这就有很大的几率腾出较多的空闲页,然后再跳转回重试内存分配的操作。这里我们不讨论out_of_memory 函数流程 选择要牺牲进...【阅读全文】