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Capacity is stranded when CFMWS regions are not aligned to block size. On x86, block size increases with capacity (2G blocks @ 64G capacity). Use CFMWS base/size to report memory block size alignment advice. Link: https://lkml.kernel.org/r/20250127153405.3379117-4-gourry@gourry.net Signed-off-by: Gregory Price <gourry@gourry.net> Suggested-by: Dan Williams <dan.j.williams@intel.com> Acked-by: Mike Rapoport (Microsoft) <rppt@kernel.org> Acked-by: David Hildenbrand <david@redhat.com> Acked-by: Dan Williams <dan.j.williams@intel.com> Tested-by: Fan Ni <fan.ni@samsung.com> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Reviewed-by: Ira Weiny <ira.weiny@intel.com> Acked-by: Oscar Salvador <osalvador@suse.de> Cc: Alison Schofield <alison.schofield@intel.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Borislav Betkov <bp@alien8.de> Cc: Bruno Faccini <bfaccini@nvidia.com> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Dave Jiang <dave.jiang@intel.com> Cc: David Hildenbrand <david@redhat.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Haibo Xu <haibo1.xu@intel.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Joanthan Cameron <Jonathan.Cameron@huawei.com> Cc: Len Brown <lenb@kernel.org> Cc: Mike Rapoport <rppt@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Robert Richter <rrichter@amd.com> Cc: Thomas Gleinxer <tglx@linutronix.de> 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.