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35265899ac
Debugfs functions are already stubbed out for !CONFIG_DEBUG_FS, so we can remove most of the #ifdefs, just keeping one to manually optimise away the initcall when it would do nothing. We can also simplify the code itself by factoring out the directory creation and realising that the global io_tlb_default_mem now makes debugfs_dir redundant. Signed-off-by: Robin Murphy <robin.murphy@arm.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
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 Restructured Text 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.