[PATCH 21/21] docs/vm: update memory-models documentation
From: Mike Rapoport <rppt@kernel.org>
Date: 2020-04-12 19:54:30
Also in:
linux-alpha, linux-arch, linux-mm, linux-riscv, linux-um
Subsystem:
documentation, the rest · Maintainers:
Jonathan Corbet, Linus Torvalds
From: Mike Rapoport <redacted> to reflect the updates to free_area_init() family of functions. Signed-off-by: Mike Rapoport <redacted> --- Documentation/vm/memory-model.rst | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/Documentation/vm/memory-model.rst b/Documentation/vm/memory-model.rst
index 58a12376b7df..91228044ed16 100644
--- a/Documentation/vm/memory-model.rst
+++ b/Documentation/vm/memory-model.rst@@ -46,11 +46,10 @@ maps the entire physical memory. For most architectures, the holes have entries in the `mem_map` array. The `struct page` objects corresponding to the holes are never fully initialized. -To allocate the `mem_map` array, architecture specific setup code -should call :c:func:`free_area_init_node` function or its convenience -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. +To allocate the `mem_map` array, architecture specific setup code should +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. If an architecture enables `CONFIG_ARCH_HAS_HOLES_MEMORYMODEL` option, it may free parts of the `mem_map` array that do not cover the
--
2.25.1