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251a0ffeae
pte_index() on platforms other than sparc return a numerical index. On sparc, it returns a pte_t*. This presents an issue for vm_insert_pages(), which relies on pte_index() to find the offset for a pte within a pmd, for batched inserts. This patch: 1. Modifies pte_index() for sparc to return a numerical index, like other platforms, 2. Defines pte_entry() for sparc which returns a pte_t* (as pte_index() used to), 3. Converts existing sparc callers for pte_index() to use pte_entry(). [sfr@canb.auug.org.au: remove pte_entry and just directly modified pte_offset_kernel instead] Signed-off-by: Arjun Roy <arjunroy@google.com> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Mike Rapoport <rppt@linux.ibm.com> Cc: Eric Dumazet <edumazet@google.com> Cc: Soheil Hassas Yeganeh <soheil@google.com> Cc: David Miller <davem@davemloft.net> Cc: Matthew Wilcox <willy@infradead.org> Cc: Arjun Roy <arjunroy.kdev@gmail.com> Cc: Jason Gunthorpe <jgg@ziepe.ca> Link: http://lkml.kernel.org/r/20200227105045.6b421d9f@canb.auug.org.au Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
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| CREDITS | ||
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| README | ||
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.