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Linux memory image management functions

Source: Internet
Author: User
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Linux memory image management functions-General Linux technology-Linux programming and kernel information. The following is a detailed description. A memory image is used to map disk files to the memory to accelerate I/O operations and facilitate data sharing, to avoid unexpected consequences caused by multiple processes reading and writing data at the same time, locks or traffic signals are usually used to achieve serialized access to shared objects. Linux provides a series of memory image management functions defined in sys/mman. h.
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