[$] An overview of kernel samepage merging (KSM)

In the Kernel Summittrack at the 2023 LinuxPlumbers Conference (LPC), Stefan Roesch led a session on kernelsamepage merging (KSM). He gave an overview of the feature and describedsome recent changes to KSM. He showed howan application can enable KSM to deduplicate its memory and how the featurecan be evaluated to determine whether it is a good fit for new workloads.In addition, he provided some real-world data of the benefits from hisworkplace at Meta.