This doesn't really do anything, but at least we now parse teh ZERO_PAGE() address argument so that we'll catch the most obvious errors in usage next time they'll happen. See commit 6a5c5d26c4c6 ("rdma: fix build errors on s390 and MIPS due to bad ZERO_PAGE use") what happens when we don't have any use of the macro argument at all. 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.
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