The 2.6 kernel development series differs from its predecessors in that much larger and potentially destabilizing changes are being incorporated into each release. Among these changes are modifications to the internal programming interfaces for the kernel, with the result that kernel developers must work harder to stay on top of a continually-shifting API. There has never been a guarantee of internal API stability within the kernel - even in a stable development series - but the rate of change is higher now.
This article will be updated to keep track of the internal changes for each 2.6 kernel release. Its permanent location is:
http://lwn.net/Articles/2.6-kernel-api/
This page will, doubtless, remain incomplete for a while. If you see an omission, please let us know by sending a note to kernel@lwn.net rather than by posting comments here. The chances of a prompt update are higher, the article will not become cluttered with redundant comments, and we'll be more than happy to credit you here.
If you are a Linux Device Drivers, Third Edition reader looking for information on changes since the book was published: LDD3 covers version 2.6.10 of the kernel, so only the changes starting with 2.6.11 are relevant.
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