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It says right there in the post:

* improvements to the dynamic tick code,

* support infrastructure for DRM render nodes,

* TSO sizing and the FQ scheduler in the network layer,

* support for user namespaces in the XFS filesystem,

* multithreaded RAID5 in the MD subsystem,

* offline data deduplication in the Btrfs filesystem, and more.

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In case anyone else is curious, DRM in the kernel stands for Direct Rendering Manager [1]. It has nothing to do with the DRM that's usually discussed on HN.

[1] https://en.wikipedia.org/wiki/Direct_Rendering_Manager

Considering the negative connotations of DRM, I am surprised it isn't named something else.

The name Direct Rendering Manager has been around since the '90s, since the XFree86 days. So I'm pretty sure this abbreviation predates that of the "bad" DRM.

Good to know. Thanks.

All TLA are overloaded.

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