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title: Kernel 6.7: New year, new Linux! | daily.dev
description: Linux kernel 6.7 is the largest kernel release in the project's entire history, surpassing all previous merge windows. Key highlights include the long-awaited...
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# Kernel 6.7: New year, new Linux!

**[Collabora Blog](https://daily.dev/sources/collabora)** · 7 min read · 0 upvotes · 0 comments

## Summary

Linux kernel 6.7 is the largest kernel release in the project's entire history, surpassing all previous merge windows. Key highlights include the long-awaited addition of Bcachefs filesystem support (after nearly a decade of development), new FUTEX2 syscalls, Nouveau support for NVIDIA's Ada (RTX 4000-series) and improved power management for Turing-era GPUs via GSP firmware, BPF exceptions, and KSM smartscan enabled by default. Collabora's kernel team contributed significantly: a new PAGE_SCAN IOCTL for efficient page flag inspection (useful for CRIU and Windows API translation), expanded MediaTek SoC support for Chromebooks (MT8195-based devices are now fully usable on mainline), RK3588 PCIe and AV1 decoder enablement, CS35L41 audio amplifier fixes for Steam Deck speakers, and a new kselftest for Devicetree driver probe verification.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://www.collabora.com/news-and-blog/news-and-events/kernel-67-new-year-new-linux-kernel.html>

## Questions this post answers

### What new filesystem was added in Linux kernel 6.7?

Bcachefs was merged into Linux kernel 6.7 after nearly a decade of development and peer review since 2019. It is based on the Bcache block cache subsystem. Early benchmarks place Bcachefs notably lower in performance compared to other available filesystems, so it remains in an experimental phase despite being marked stable since 2022.

_Developers tracking Linux filesystem developments follow kernel releases like this on daily.dev._

### Does Linux kernel 6.7 support NVIDIA RTX 4000-series GPUs with Nouveau?

Yes, kernel 6.7 merged Nouveau support for NVIDIA's GSP firmware, enabling Ada (RTX 4000-series) GPUs to work with Nouveau. For Turing (RTX 2000-series and GTX 1650) and later GPUs, the GSP firmware also fixes long-standing power management issues, allowing full clock and memory frequencies with proper fan control.

_Engineers choosing between proprietary and open source GPU drivers on Linux find relevant coverage on daily.dev._

### What is the PAGE_SCAN IOCTL added in Linux kernel 6.7 and what is it used for?

The PAGE_SCAN IOCTL provides a generic interface to read and optionally reset page flags with in-kernel filtering. It helps detect memory writes, enabling translation of Windows GetWriteWatch() and ResetWriteWatch() APIs on Linux, and allows tools like CRIU to determine page flag status more efficiently than the older soft-dirty mechanism.

_Kernel developers working on memory management or Linux/Windows compatibility tooling track changes like this on daily.dev._

## Similar posts on daily.dev

- [Linux 7.0-rc3 Released: "Some Of The Biggest In Recent History"](https://daily.dev/posts/linux-7-0-rc3-released-some-of-the-biggest-in-recent-history--hyn7dy7pw) · Phoronix · 0 upvotes · 0 comments

---

Tags: [#linux](https://daily.dev/tags/linux), [#bcachefs](https://daily.dev/tags/bcachefs)

[View this post on daily.dev](https://daily.dev/posts/kernel-6-7-new-year-new-linux--dsy9lhdmn)

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