Re: [PATCHSET cgroup/for-4.6] cgroup: update migration destination cgroup handling
From: Tejun Heo
Date: Tue Mar 08 2016 - 11:51:52 EST
On Thu, Mar 03, 2016 at 12:19:58PM -0500, Tejun Heo wrote:
> cgroup migrations used to always be single destination. There could
> be multiple sources but there was only one destination cgroup. This
> changed with default hierarchy as enabling a controller would move
> processes in child cgroups into separate csses. This was developed
> over time and is working correctly now but the way multiple
> destinations are handled is hacky and fragile. This patchset updates
> migration logic so that multi-destination handling is integral.
> This patchset contains the following four patches.
These changes are mostly mechanical and I want them to be in for-4.6
for a while before the merge window opens up. Applying to
cgroup/for-4.6. In the unlikely case that this breaks something,
let's fix with followup patches.