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commit02c04e374eupstream. At times, memory ranges have to be looked up during early boot, when kernel couldn't be initialized for dynamic memory allocation. In fact, reserved-ranges look up is needed during FADump memory reservation. Without accounting for reserved-ranges in reserving memory for FADump, MPIPL boot fails with memory corruption issues. So, extend memory ranges handling to support static allocation and populate reserved memory ranges during early boot. Fixes:dda9dbfeeb("powerpc/fadump: consider reserved ranges while releasing memory") Cc: stable@vger.kernel.org Signed-off-by: Hari Bathini <hbathini@linux.ibm.com> Reviewed-by: Mahesh Salgaonkar <mahesh@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/158737294432.26700.4830263187856221314.stgit@hbathini.in.ibm.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.