Research on status reconversion of VAD in the checkpoint of windows process

Chunxia Zhang Chunxia Zhang,Shuguang Lin Shuguang Lin,Guanjun Liu Guanjun Liu,Xudong Li Xudong Li

doi:10.1109/iccasm.2010.5619145

Research on status reconversion of VAD in the checkpoint of windows process

Chunxia Zhang Chunxia Zhang, Shuguang Lin Shuguang Lin + Show 2 more

https://doi.org/10.1109/iccasm.2010.5619145

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Publication Date: Oct 1, 2010

Citations: 2

Affiliation: Tianjin University of Science and Technology, Nankai University

#User Space Memory #Windows Platform + Show 8 more

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Abstract

Checkpoint is very important to system fault tolerance; the user space memory of specified process is saved as completely as possible in both kernel-level and user-level check pointing. While user space memory on Windows platform is divided into several blocks, which are possible in different states, but access state (i.e. committed state) is only one of them. This paper discusses the principle of user space memory management on Windows platform, and especially reveals the mechanism of region which includes virtual address continuous pages with same attributes. This paper presents the structure of user space virtual memory and the approaches to saving and recovery of user space virtual memory. The result is the same as expected.

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