diff options
Diffstat (limited to 'Documentation/vm/memory-model.rst')
| -rw-r--r-- | Documentation/vm/memory-model.rst | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/Documentation/vm/memory-model.rst b/Documentation/vm/memory-model.rst index 58a12376b7df..94db75ba7fbe 100644 --- a/Documentation/vm/memory-model.rst +++ b/Documentation/vm/memory-model.rst @@ -52,8 +52,7 @@ wrapper :c:func:`free_area_init`. 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. -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. |