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39b2e5cae4
The madv_populate selftest currently builds with a warning when the local installed headers (via the distribution) don't include MADV_POPULATE_READ and MADV_POPULATE_WRITE. The warning is correct, because the test cannot locate the necessary header. The reason is that the in-tree installed headers (usr/include) have a "linux" instead of a "sys" subdirectory. Including "linux/mman.h" instead of "sys/mman.h" doesn't work (e.g., mmap() and madvise() are not defined that way). The only thing that seems to work is including "linux/mman.h" in addition to "sys/mman.h". We can get rid of our availability check and simplify. Link: https://lkml.kernel.org/r/20211015165758.41374-1-david@redhat.com Signed-off-by: David Hildenbrand <david@redhat.com> Reported-by: Shuah Khan <skhan@linuxfoundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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.