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Commite6d2c436ff("tools/mm: allow users to provide additional cflags/ldflags") passes now CFLAGS to Makefile. With this, build systems with default -Werror enabled found: slabinfo.c:1300:25: error: ignoring return value of 'chdir' declared with attribute 'warn_unused_result' [-Werror=unused-result] chdir(".."); ^~~~~~~~~~~ page-types.c:397:35: error: format '%lu' expects argument of type 'long unsigned int', but argument 2 has type 'uint64_t' {aka 'long long unsigned int'} [-Werror=format=] printf("%lu\t", mapcnt0); ~~^ ~~~~~~~ .. Fix page-types by using PRIu64 for uint64_t prints and check in slabinfo for return code on chdir(".."). Link: https://lkml.kernel.org/r/c1ceb507-94bc-461c-934d-c19b77edd825@gmail.com Fixes:e6d2c436ff("tools/mm: allow users to provide additional cflags/ldflags") Signed-off-by: Wladislav Wiebe <wladislav.kw@gmail.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Herton R. Krzesinski <herton@redhat.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@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 reStructuredText 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.