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Per-Cgroup Swap File Support Proposed For Linux

Linux Kernel

Published on 03 April 2014 02:02 AM EDT
Written by Michael Larabel in Linux Kernel
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Published on the Linux kernel mailing list for review on Wednesday was per-cgroup swap file support.

This small but important change would support a cgroup to swap to a particular file as setup by a new control file. This change is to allow the limiting of cgroups to a given swap file without being able to thrash the entire system's swap file. With this set of three patches, individual cgroups can be limited in their swap capacity.

This limiting of cgroups and their swap capacities should be very useful given the growing number of Linux container deployments. More details on these pending kernel patches can be found via the kernel mailing list.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
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