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f35534a2bc
PMD_SHIFT is mapped to PUD_SHIFT or PGD_SHIFT by asm-generic/pgtable-*
but only for !__ASSEMBLY__
tlbex.S asm code has PTRS_PER_PTE which uses PMD_SHIFT hence barfs
for CONFIG_PGTABLE_LEVEL={2,3} and works for 4.
So add a workaround local to tlbex.S - the proper fix is to change
asm-generic/pgtable-* headers to expose the defines for __ASSEMBLY__ too
Signed-off-by: Vineet Gupta <vgupta@kernel.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.