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The following commit introduced a warning on error reports without a non-zero grain value.3724ace582("EDAC/mc: Fix grain_bits calculation") The amd64_edac_mod module does not provide a value, so the warning will be given on the first reported memory error. Set the grain per DIMM to cacheline size (64 bytes). This is the current recommendation. Fixes:3724ace582("EDAC/mc: Fix grain_bits calculation") Signed-off-by: Yazen Ghannam <yazen.ghannam@amd.com> Signed-off-by: Borislav Petkov <bp@suse.de> Cc: "linux-edac@vger.kernel.org" <linux-edac@vger.kernel.org> Cc: James Morse <james.morse@arm.com> Cc: Mauro Carvalho Chehab <mchehab@kernel.org> Cc: Robert Richter <rrichter@marvell.com> Cc: Tony Luck <tony.luck@intel.com> Link: https://lkml.kernel.org/r/20191022203448.13962-7-Yazen.Ghannam@amd.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 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.