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David Hildenbrand
6e55421ea5
virtio-mem uses memory_add_physaddr_to_nid() to determine the NID to use for memory it adds. We currently fallback to the dummy implementation in mm/numa.c with CONFIG_NUMA, which will end up triggering an undesired pr_info_once(): Unknown online node for memory at 0x100000000, assuming node 0 On s390, we map all cpus and memory to node 0, so let's add a simple memory_add_physaddr_to_nid() implementation that does exactly that, but without complaining. Signed-off-by: David Hildenbrand <david@redhat.com> Reviewed-by: Heiko Carstens <hca@linux.ibm.com> Tested-by: Sumanth Korikkar <sumanthk@linux.ibm.com> Acked-by: Christian Borntraeger <borntraeger@linux.ibm.com> Link: https://lore.kernel.org/r/20241025141453.1210600-8-david@redhat.com Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
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.