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commit89a3496e06upstream. We use mmu_vmemmap_psize to find the page size for mapping the vmmemap area. With radix translation, we are suboptimally setting this value to PAGE_SIZE. We do check for 2M page size support and update mmu_vmemap_psize to use hugepage size but we suboptimally reset the value to PAGE_SIZE in radix__early_init_mmu(). This resulted in always mapping vmemmap area with 64K page size. Fixes:2bfd65e45e("powerpc/mm/radix: Add radix callbacks for early init routines") Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> 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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.