The first copy (see Figure 1) is performed by the direct memory access (DMA) engine, which reads file contents from the disk and stores them into a kernel address space buffer.
直接内存存取(direct memory access,DMA)引擎执行了第一次拷贝(参见图1)，它从磁盘中读取文件内容，然后将它们存储到一个内核地址空间缓存区中。
A method and apparatus for high performance volatile disk drive (VDD) memory access using an integrated direct memory access (DMA) engine.
一种方法和装置，用于使用集成直接存储器访问(DMA)引擎进行高性能易失性磁盘驱动器(VDD)存储器访问。
The ECC controller transmits the data to a direct memory access (DMA) buffer for transfer to the host device, and to an ECC block for error detection and correction of the data.
ECC控制器将数据发送给用于将数 据传送到主机装置的直接存储器存取（DMA）缓冲器以及用于对数据进行错误检测和纠错的ECC块。
直接内存访问。
DMA (Direct Memory Access) technology is one of the best solutions which could meet the requirements of real-time and accuracy for information processing.
在此前提下，采用高速数据传输技术成为必然，DMA(直接存储器访问)技术就是较理想的解决方案之一，能够满足信息处理实时性和准确性的要求。
DMA (Direct Memory Access) technology is one of the best solutions which could meet the requirements of real-time and accuracy for information processing.
在此前提下，采用高速数据传输技术成为必然，DMA(直接存储器访问)技术就是较理想的解决方案之一，能够满足信息处理实时性和准确性的要求。
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