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00cb41d5ad
The kernel mapping will tried to optimize its mapping by using bigger size. In rv64, it tries to use PMD_SIZE, and tryies to use PGDIR_SIZE in rv32. To ensure that the start address of these sections could fit the mapping entry size, make them align to the biggest alignment. Define a macro SECTION_ALIGN because the HPAGE_SIZE or PMD_SIZE, etc., are invisible in linker script. This patch is prepared for STRICT_KERNEL_RWX support. Signed-off-by: Zong Li <zong.li@sifive.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.