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docs/mm: Physical Memory: correct spelling in reference to CONFIG_PAGE_EXTENSION

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Commit 5d8c5e430a ("docs/mm: Physical Memory: add structure, introduction
and nodes description") slips in a minor spelling mistake for the config
PAGE_EXTENSION.

Correct the config name in the physical-memory documentation.

Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Acked-by: Mike Rapoport (IBM) <rppt@kernel.org>
Link: https://lore.kernel.org/r/20230215100808.9613-1-lukas.bulwahn@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Lukas Bulwahn 2023-02-15 11:08:08 +01:00 committed by Jonathan Corbet
parent 4e98799a70
commit 5ea8937ee6
1 changed files with 1 additions and 1 deletions
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Documentation/mm/physical_memory.rst
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@ -210,7 +210,7 @@ General
``node_page_ext``
For UMA systems that use FLATMEM memory model the 0's node
``node_page_ext`` is array of extensions of struct pages. Available only
in the kernels built with ``CONFIG_PAGE_EXTENTION`` enabled.
in the kernels built with ``CONFIG_PAGE_EXTENSION`` enabled.
``node_start_pfn``
The page frame number of the starting page frame in this node.