On Fri, Apr 05, 2024 at 11:04:49AM +0200, Frits Hoogland wrote: > Operating system: Red Hat Enterprise Linux 8.9 > Kernel: 4.18.0-513.5.1.el8_9.x86_64 #1 SMP 4.18 was released in 2018. I know Red Hat still supports it, but really that's up to them. You need to engage with Red Hat product support, not upstream. We don't know what changes Red Hat have made to it that may influence swapping behaviour.
