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18d095b255
On powerpc 8xx, when a page is 8M size, the information is in the PMD entry. So allow architectures to provide __pte_leaf_size() instead of pte_leaf_size() and provide the PMD entry to that function. When __pte_leaf_size() is not defined, define it as a pte_leaf_size() so that architectures not interested in the PMD arguments are not impacted. Only define a default pte_leaf_size() when __pte_leaf_size() is not defined to make sure nobody adds new calls to pte_leaf_size() in the core. Link: https://lkml.kernel.org/r/c7c008f0a314bf8029ad7288fdc908db1ec7e449.1719928057.git.christophe.leroy@csgroup.eu Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Reviewed-by: Oscar Salvador <osalvador@suse.de> Cc: Jason Gunthorpe <jgg@nvidia.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Nicholas Piggin <npiggin@gmail.com> Cc: Peter Xu <peterx@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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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 reStructuredText 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.