Subj : [$] Two approaches to better kernel samepage merging
To   : All
From : LWN.net
Date : Wed Apr 09 2025 15:00:08

[$] Two approaches to better kernel samepage merging

Date:
Wed, 09 Apr 2025 13:45:34 +0000

Description:
The kernel
samepage merging (KSM) subsystem works by finding pages in memory with
the same contents, then replacing the duplicated copies with a single,
shared copy.  KSM can improve memory utilization in a system, but has some
problems as well.  In two memory-management-track sessions at the 2025
Linux Storage, Filesystem, Memory-Management, and BPF Summit, Mathieu
Desnoyers and Sourav Panda proposed improvements to KSM to
make it work better for specific use cases.

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Link to news story:
https://lwn.net/Articles/1016426/


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