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docs: kernel-parameters: mark numa=off is supported by a bundle of architectures 

risc-v and arm64 support numa=off by common arch_numa_init()
in drivers/base/arch_numa.c. x86, ppc, mips, sparc support it
by arch-level early_param.
numa=off is widely used in linux distributions. it is better
to document it.

Signed-off-by: Barry Song <song.bao.hua@hisilicon.com>
Link: https://lore.kernel.org/r/20210524051715.13604-1-song.bao.hua@hisilicon.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Barry Song 2021-05-24 17:17:15 +12:00 committed by Jonathan Corbet
parent 1e03fe2405
commit 544ef682c6
1 changed files with 3 additions and 0 deletions
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Documentation/admin-guide/kernel-parameters.txt
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@ -3513,6 +3513,9 @@
nr_uarts= [SERIAL] maximum number of UARTs to be registered.
numa=off [KNL, ARM64, PPC, RISCV, SPARC, X86] Disable NUMA, Only
set up a single NUMA node spanning all memory.
numa_balancing= [KNL,ARM64,PPC,RISCV,S390,X86] Enable or disable automatic
NUMA balancing.
Allowed values are enable and disable