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Nanyong Sun
f5397c3ee0
In riscv, a page table entry is leaf when any bit of read, write, or execute bit is set. So add a macro:_PAGE_LEAF instead of (_PAGE_READ | _PAGE_WRITE | _PAGE_EXEC), which is frequently used to determine if it is a leaf page. This make code easier to read, without any functional change. Signed-off-by: Nanyong Sun <sunnanyong@huawei.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.