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742d33729a
'struct vm_fault' contains both information about the fault being serviced alongside mutable fields contributing to the state of the fault-handling logic. Unfortunately, the distinction between the two is not clear-cut, and a number of callers end up manipulating the structure temporarily before restoring it when returning. Try to clean this up by moving the immutable fault information into an anonymous struct, which will later be marked as 'const'. Ideally, the 'flags' field would be part of the new structure too, but it seems as though the ->page_mkwrite() path is not ready for this yet. Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Link: https://lore.kernel.org/r/CAHk-=whYs9XsO88iqJzN6NC=D-dp2m0oYXuOoZ=eWnvv=5OA+w@mail.gmail.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 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.