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docs: move numa=fake description to kernel-parameters.txt

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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>
This commit is contained in:
Mike Rapoport (Microsoft) 2024-08-07 09:41:10 +03:00 committed by Andrew Morton
parent 1b5695b024
commit 101d647080
2 changed files with 15 additions and 12 deletions
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15
Documentation/admin-guide/kernel-parameters.txt
View File

@ -4123,6 +4123,21 @@
Disable NUMA, Only set up a single NUMA node Disable NUMA, Only set up a single NUMA node
spanning all memory. 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= [KNL,ARM64,PPC,RISCV,S390,X86] Enable or disable automatic
NUMA balancing. NUMA balancing.
Allowed values are enable and disable Allowed values are enable and disable

12
Documentation/arch/x86/x86_64/boot-options.rst
View File

@ -170,18 +170,6 @@ NUMA
Don't parse the HMAT table for NUMA setup, or soft-reserved memory Don't parse the HMAT table for NUMA setup, or soft-reserved memory
partitioning. 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 ACPI
==== ====