Managing Swap Space in Linux

Posted at January 5, 2017 at 4:25 pm by Jithin

A swap space is an area of a disk which can be used with the Linux kernel memory management subsystem. Swap spaces are used to supplement the system RAM by holding inactive pages of memory. The combined system RAM plus swap space is called virtual memory. When the memory usage in a system exceeds a defined limit, the kernel will comb through RAM looking for idle memory pages assigned to processes. The kernel will write the idle page to the swap area, and will reassign the RAM page to be used by    [...]

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