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a1634a542f
Currently, the value of CONT_{PTE, PMD}_SHIFT is off from standard
{PAGE, PMD}_SHIFT. In turn, we have to consider adding {PAGE, PMD}_SHIFT
when using CONT_{PTE, PMD}_SHIFT in the function hugetlbpage_init().
It's a bit confusing.
This redefines CONT_{PTE, PMD}_SHIFT with {PAGE, PMD}_SHIFT included
so that the later values needn't be added when using the former ones
in function hugetlbpage_init(). Note that the values of CONT_{PTES, PMDS}
are unchanged.
Suggested-by: Will Deacon <will@kernel.org>
Signed-off-by: Gavin Shan <gshan@redhat.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Link: https://lkml.org/lkml/2020/5/6/190
Link: https://lore.kernel.org/r/20200630062428.194235-1-gshan@redhat.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.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.