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A comment on Linux Address Space Isolation Revived After Lowering 70% Performance Hit to 13%. Parent comment

Re:Linux Address Space Isolation Revived After Lowering 70% ... by jeroenhd on Thursday August 14, 2025 @11:21AM (#44901487)
There's KSM that should help: https://pve.proxmox.com/wiki/Kernel_Samepage_Merging_(KSM)

Probably works best running VMs with the same kernel and software version.

[ Parent | on HN ]
Re:Linux Address Space Isolation Revived After Lowering 70% ... by infogulch on Thursday August 14, 2025 @12:01PM (#44902068)
But that just seems to reintroduce the same problem again:

> However, while KSM can reduce memory usage, it also comes with some security risks, as it can expose VMs to side-channel attacks. ...

[ Parent | on HN ]