Memory file system loading method and device

Abstract

The embodiment of the invention provides a memory file system loading method and device. The method comprises the following steps of: reading a memory file system from a memory according to information of the memory file system in the memory, wherein the memory file system comprises starting files and application data files with high compression ratio; mounting the memory file system to be a root file system after the memory file system is decompressed; not decompressing the application data files with high compression ratio, included in the memory file system, in a process of decompressing the memory file system; mounting the application data files of the memory file system to an application data file directory of the root file system; and reading and decompressing data in the application data files to be used, and starting corresponding procedures of the application data files. By adopting the embodiment of the invention, the starting speed of the kernel of an operation system is improved, and the utilization rate of the system memory is reduced.

Description

technical field [0001] The embodiments of the present invention relate to computer technology, and in particular to a method and device for loading a memory file system. Background technique [0002] The Initrd memory file system is a root file system used to start the Linux boot system, including various executable programs and device drivers. The initrd memory file system can be double-packed in gzip format and cpio format. The Initrd memory file system can be bound with the operating system kernel and loaded as part of the kernel. For some storage media without hard disk, flash, etc. or in some application scenarios with special requirements, it is required to use the memory file system to boot the system. The Initrd memory file system is usually selected as this function by the linux embedded operating system because of its superiority. [0003] During the startup process of the system, the bootloader bootlader loads the Initrd memory file system image in gzip format ...

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Problems solved by technology

[0004] However, when the kernel kernel loads the Initrd memory file system image, it decompresses all the nodes in the Initrd memory file system image to the memory, resulting in a relatively slow startup speed of the kernel, and the system occupies a large memory space, so the existing memory The file system loading process is less efficient

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