You have been subscribed to a public bug:
Not too long ago the provided kernel for Xenial was updated from 4.13 to
4.15. I use KSM a fair bit and it has worked nicely. ksmd would peak at
around 1% CPU, which is fine. However, now that I have moved up to 4.15
ksmd averages 15% CPU, which is not fine.
There are a lot of commits between these two versions.
Will do the usual testing and update asap.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.15.0-34-generic 4.15.0-34.37~16.04.1
ProcVersionSignature: Ubuntu 4.15.0-34.37~16.04.1-generic 4.15.18
Uname: Linux 4.15.0-34-generic i686
ApportVersion: 2.20.1-0ubuntu2.18
Architecture: i386
CurrentDesktop: MATE
Date: Tue Sep 25 18:31:02 2018
SourcePackage: linux-hwe
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: linux (Ubuntu)
Importance: Medium
Status: Incomplete
** Tags: apport-bug i386 xenial
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4.13 --> 4.15 ksmd usage increases substantially
https://bugs.launchpad.net/bugs/1794335
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