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

From: Jonathan Corbet
Date: Fri Dec 15 2023 - 11:30:17 EST


Vlastimil Babka <vbabka@xxxxxxx> writes:

> 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.
> +

Applied, thanks.

jon