Re: [PATCH v2] Documentation, mm/unaccepted: document accept_memory kernel parameter

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+CC linux-mm

On 12/14/23 13:22, Vlastimil Babka wrote:
> The accept_memory kernel parameter was added in commit dcdfdd40fa82
> ("mm: Add support for unaccepted memory") but not listed in the
> kernel-parameters doc. Add it there.
> 
> Acked-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
> Signed-off-by: Vlastimil Babka <vbabka@xxxxxxx>
> ---
> changes since v1:
> - use shorter sentences (Tim Chen)
> ---
>  Documentation/admin-guide/kernel-parameters.txt | 11 +++++++++++
>  1 file changed, 11 insertions(+)
> 
> diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
> index 65731b060e3f..91bd74b2e203 100644
> --- a/Documentation/admin-guide/kernel-parameters.txt
> +++ b/Documentation/admin-guide/kernel-parameters.txt
> @@ -1,3 +1,14 @@
> +	accept_memory=  [MM]
> +			Format: { eager | lazy }
> +			default: lazy
> +			By default, unaccepted memory is accepted lazily to
> +			avoid prolonged boot times. The lazy option will add
> +			some runtime overhead until all memory is eventually
> +			accepted. In most cases the overhead is negligible.
> +			For some workloads or for debugging purposes
> +			accept_memory=eager can be used to accept all memory
> +			at once during boot.
> +
>  	acpi=		[HW,ACPI,X86,ARM64,RISCV64]
>  			Advanced Configuration and Power Interface
>  			Format: { force | on | off | strict | noirq | rsdt |
> 
> ---
> base-commit: a39b6ac3781d46ba18193c9dbb2110f31e9bffe9
> change-id: 20231214-accept_memory_param-af395e3a2d45
> 
> Best regards,




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