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e8dcb61f2a
Currently, page table setup is done during setup_va_final where fixmap can be used to create the temporary mappings. The physical frame is allocated from memblock_alloc_* functions. However, this won't work if page table mapping needs to be created for a different mm context (i.e. efi mm) at a later point of time. Use generic kernel page allocation function & macros for any mapping after setup_vm_final. Signed-off-by: Atish Patra <atish.patra@wdc.com> Reviewed-by: Anup Patel <anup@brainfault.org> Acked-by: Mike Rapoport <rppt@linux.ibm.com> Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
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.