Thadeu Lima de Souza Cascardo: Restricting device memory usage on Linux 7.3

Linux cgroups has been used for a while to group processes and control their access to certain system resources. One of those resources is memory, through the use of memcg. That control is dynamic, allowing for cgroups to setup a minimal and a maximal amount of memory, as well as low and high thresholds, which will control the reclaim process. But what about device memory that is not available as system RAM? Memory that is not available to the Linux…

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