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b28c74e259
As preparation for the next patch, which frees up the PTE_PROT_NONE present pte and swap pte bit, generalize PMD_PRESENT_INVALID to PTE_PRESENT_INVALID. This will then be used to mark PROT_NONE ptes (and entries at any other level) in the next patch. While we're at it, fix up the swap pte format comment to include PTE_PRESENT_INVALID. This is not new, it just wasn't previously documented. Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Ryan Roberts <ryan.roberts@arm.com> Link: https://lore.kernel.org/r/20240503144604.151095-2-ryan.roberts@arm.com Signed-off-by: Will Deacon <will@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.