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5ad9945341
Increase MAX_USERDATA_ITEMS from 16 to 256 entries now that the userdata buffer is allocated dynamically. The previous limit of 16 was necessary because the buffer was statically allocated for all targets. With dynamic allocation, we can support more entries without wasting memory on targets that don't use userdata. This allows users to attach more metadata to their netconsole messages, which is useful for complex debugging and logging scenarios. Also update the testcase accordingly. Signed-off-by: Gustavo Luiz Duarte <gustavold@gmail.com> Reviewed-by: Breno Leitao <leitao@debian.org> Link: https://patch.msgid.link/20251119-netconsole_dynamic_extradata-v3-4-497ac3191707@meta.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.