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[ Upstream commit97c318bfbe] cxl_pmem.ko uses memory_add_physaddr_to_nid() but ia64 does not export it, so this causes a build error: ERROR: modpost: "memory_add_physaddr_to_nid" [drivers/cxl/cxl_pmem.ko] undefined! Fix this by exporting that function. Fixes:8c2676a587("hot-add-mem x86_64: memory_add_physaddr_to_nid node fixup") Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Ben Widawsky <bwidawsk@kernel.org> Cc: Jonathan Cameron <Jonathan.Cameron@huawei.com> Cc: linux-ia64@vger.kernel.org Cc: Arnd Bergmann <arnd@arndb.de> Cc: Keith Mannthey <kmannth@us.ibm.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Sasha Levin <sashal@kernel.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.