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3f910b7a52
Activate the fast gup for riscv mmu platforms. Here are some GUP_FAST_BENCHMARK performance numbers: Before the patch: GUP_FAST_BENCHMARK: Time: get:53203 put:5085 us After the patch: GUP_FAST_BENCHMARK: Time: get:17711 put:5060 us The get time is reduced by 66.7%! IOW, 3x get speed! Signed-off-by: Jisheng Zhang <jszhang@kernel.org> Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com> Link: https://lore.kernel.org/r/20231219175046.2496-5-jszhang@kernel.org Signed-off-by: Palmer Dabbelt <palmer@rivosinc.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.