blob: 81cb433635e7af07fe7ac1588a88822bcfa4bdfd [file] [log] [blame]
From: "Mike Rapoport (Microsoft)" <rppt@kernel.org>
Subject: docs: move numa=fake description to kernel-parameters.txt
Date: Wed, 7 Aug 2024 09:41:10 +0300
NUMA emulation can be now enabled on arm64 and riscv in addition to x86.
Move description of numa=fake parameters from x86 documentation of
admin-guide/kernel-parameters.txt
Link: https://lkml.kernel.org/r/20240807064110.1003856-27-rppt@kernel.org
Suggested-by: Zi Yan <ziy@nvidia.com>
Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Tested-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> [arm64 + CXL via QEMU]
Acked-by: Dan Williams <dan.j.williams@intel.com>
Acked-by: David Hildenbrand <david@redhat.com>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Andreas Larsson <andreas@gaisler.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: David S. Miller <davem@davemloft.net>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Huacai Chen <chenhuacai@kernel.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiaxun Yang <jiaxun.yang@flygoat.com>
Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Rafael J. Wysocki <rafael@kernel.org>
Cc: Rob Herring (Arm) <robh@kernel.org>
Cc: Samuel Holland <samuel.holland@sifive.com>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
Documentation/admin-guide/kernel-parameters.txt | 15 ++++++++++++++
Documentation/arch/x86/x86_64/boot-options.rst | 12 -----------
2 files changed, 15 insertions(+), 12 deletions(-)
--- a/Documentation/admin-guide/kernel-parameters.txt~docs-move-numa=fake-description-to-kernel-parameterstxt
+++ a/Documentation/admin-guide/kernel-parameters.txt
@@ -4123,6 +4123,21 @@
Disable NUMA, Only set up a single NUMA node
spanning all memory.
+ numa=fake=<size>[MG]
+ [KNL, ARM64, RISCV, X86, EARLY]
+ If given as a memory unit, fills all system RAM with
+ nodes of size interleaved over physical nodes.
+
+ numa=fake=<N>
+ [KNL, ARM64, RISCV, X86, EARLY]
+ If given as an integer, fills all system RAM with N
+ fake nodes interleaved over physical nodes.
+
+ numa=fake=<N>U
+ [KNL, ARM64, RISCV, X86, EARLY]
+ If given as an integer followed by 'U', it will
+ divide each physical node into N emulated nodes.
+
numa_balancing= [KNL,ARM64,PPC,RISCV,S390,X86] Enable or disable automatic
NUMA balancing.
Allowed values are enable and disable
--- a/Documentation/arch/x86/x86_64/boot-options.rst~docs-move-numa=fake-description-to-kernel-parameterstxt
+++ a/Documentation/arch/x86/x86_64/boot-options.rst
@@ -170,18 +170,6 @@ NUMA
Don't parse the HMAT table for NUMA setup, or soft-reserved memory
partitioning.
- numa=fake=<size>[MG]
- If given as a memory unit, fills all system RAM with nodes of
- size interleaved over physical nodes.
-
- numa=fake=<N>
- If given as an integer, fills all system RAM with N fake nodes
- interleaved over physical nodes.
-
- numa=fake=<N>U
- If given as an integer followed by 'U', it will divide each
- physical node into N emulated nodes.
-
ACPI
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