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Merge tag 'drm-next-2020-12-24' of git://anongit.freedesktop.org/drm/drm
[linux-2.6-microblaze.git]
/
Documentation
/
vm
/
memory-model.rst
diff --git
a/Documentation/vm/memory-model.rst
b/Documentation/vm/memory-model.rst
index
9daadf9
..
ce398a7
100644
(file)
--- a/
Documentation/vm/memory-model.rst
+++ b/
Documentation/vm/memory-model.rst
@@
-51,8
+51,7
@@
call :c:func:`free_area_init` function. Yet, the mappings array is not
usable until the call to :c:func:`memblock_free_all` that hands all the
memory to the page allocator.
usable until the call to :c:func:`memblock_free_all` that hands all the
memory to the page allocator.
-If an architecture enables `CONFIG_ARCH_HAS_HOLES_MEMORYMODEL` option,
-it may free parts of the `mem_map` array that do not cover the
+An architecture may free parts of the `mem_map` array that do not cover the
actual physical pages. In such case, the architecture specific
:c:func:`pfn_valid` implementation should take the holes in the
`mem_map` into account.
actual physical pages. In such case, the architecture specific
:c:func:`pfn_valid` implementation should take the holes in the
`mem_map` into account.