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924e9539ae
Do several cleanups together: - Since all supported architectures have my_syscall6() now, remove the #ifdef check. - Move the mmap() related macros to tools/include/nolibc/types.h and reuse most of them from <linux/mman.h> - Apply the new generic __sysret() to convert the calling of sys_map() to oneline code Note, since MAP_FAILED is -1 on Linux, so we can use the generic __sysret() which returns -1 upon error and still satisfy user land that checks for MAP_FAILED. Suggested-by: Willy Tarreau <w@1wt.eu> Link: https://lore.kernel.org/lkml/20230702192347.GJ16233@1wt.eu/ Signed-off-by: Zhangjin Wu <falcon@tinylab.org> Signed-off-by: Willy Tarreau <w@1wt.eu>
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.