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6065e736f8
On NOMMU, userspace memory can come from anywhere in physical RAM. The current definition of TASK_SIZE is wrong if any RAM exists above 4G, causing spurious failures in the userspace access routines. Fixes:6bd33e1ece("riscv: add nommu support") Fixes:c3f896dcf1("mm: switch the test_vmalloc module to use __vmalloc_node") Signed-off-by: Samuel Holland <samuel.holland@sifive.com> Reviewed-by: Jisheng Zhang <jszhang@kernel.org> Reviewed-by: Bo Gan <ganboing@gmail.com> Link: https://lore.kernel.org/r/20240227003630.3634533-2-samuel.holland@sifive.com 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.