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Co-authored-by: Tim Bannister <[email protected]>
Signed-off-by: David Porter <[email protected]>

Author: bobbypage

content/en/blog/_posts/2022-08-04-cgroupv2-ga.md renamed to content/en/blog/_posts/2022-08-31-cgroupv2-ga.md

@@ -5,10 +5,11 @@ date: 2022-08-31
 slug: cgroupv2-ga-1-25
 ---
 
-**Authors:**: David Porter (Google), Mrunal Patel (RedHat)
+**Authors:**: David Porter (Google), Mrunal Patel (Red Hat)
 
 Kubernetes 1.25 brings cgroup v2 to GA (general availability), letting the
-kubelet use the latest resource management capabilities.
+[kubelet](/docs/concepts/overview/components/#kubelet) use the latest container resource
+management capabilities.
 
 ## What are cgroups?
 
@@ -33,30 +34,31 @@ unified control system with enhanced resource management capabilities.
 
 cgroup v2 has been development in the Linux Kernel since 2016 and in recent
 years has matured across the container ecosystem. With Kubernetes 1.25, cgroup
-v2 support is graduating to GA.
+v2 support has graduated to general availability.
 
-Many new Linux distributions have switched over to cgroup v2 by default so it's
-important that Kubernetes continues to work well on these new updated distros.
+Many recent releases of Linux distributions have switched over to cgroup v2 by
+default so it's important that Kubernetes continues to work well on these new
+updated distros.
 
 cgroup v2 offers several improvements over cgroup v1, such as the following:
 
 * Single unified hierarchy design in API
 * Safer sub-tree delegation to containers
-* Newer features like Pressure Stall Information
+* Newer features like [Pressure Stall Information](https://www.kernel.org/doc/html/latest/accounting/psi.html)
 * Enhanced resource allocation management and isolation across multiple resources
     * Unified accounting for different types of memory allocations (network and kernel memory, etc)
     * Accounting for non-immediate resource changes such as page cache write backs
 
 Some Kubernetes features exclusively use cgroup v2 for enhanced resource
 management and isolation. For example,
-the [MemoryQoS feature](https://kubernetes.io/blog/2021/11/26/qos-memory-resources/) improves
-memory QoS and relies on cgroup v2 functionality to enable it. New resource
-management features in the kubelet will also take advantage of the new cgroup
-v2 features moving forward.
+the [MemoryQoS feature](/blog/2021/11/26/qos-memory-resources/) improves
+memory utilization and relies on cgroup v2 functionality to enable it. New
+resource management features in the kubelet will also take advantage of the new
+cgroup v2 features moving forward.
 
 ## How do you use cgroup v2?
 
-Many Linux distributions are switching to cgroup v2 by default, you might start
+Many Linux distributions are switching to cgroup v2 by default; you might start
 using it the next time you update the Linux version of your control plane and
 nodes!
 
@@ -76,7 +78,7 @@ refer to [Check your cgroup version](/docs/concepts/architecture/cgroups/#check-
 consult your distribution's documentation.
 
 If you're using a managed Kubernetes offering, consult your provider to
-determine how they're adopting cgroup v2.
+determine how they're adopting cgroup v2, and whether you need to take action.
 
 To use cgroup v2 with Kubernetes, you must meet the following requirements:
 
@@ -119,7 +121,7 @@ Scenarios in which you might need to update to cgroup v2 include the following:
 
 ## Learn more
 
-* Read the [Kubernetes cgroup v2 documentation](/docs/concepts/architecture/cgroups)
+* Read the [Kubernetes cgroup v2 documentation](/docs/concepts/architecture/cgroups/)
 * Read the enhancement proposal, [KEP 2254](https://github.com/kubernetes/enhancements/blob/master/keps/sig-node/2254-cgroup-v2/README.md)
 * Learn more about
   [cgroups](https://man7.org/linux/man-pages/man7/cgroups.7.html) on Linux Manual Pages