Re: [PATCH v2] mm: Override mTHP "enabled" defaults at kernel cmdline

From: Barry Song
Date: Fri Aug 09 2024 - 04:52:32 EST


On Thu, Aug 8, 2024 at 6:17 PM Ryan Roberts <ryan.roberts@xxxxxxx> wrote:
>
> Add thp_anon= cmdline parameter to allow specifying the default
> enablement of each supported anon THP size. The parameter accepts the
> following format and can be provided multiple times to configure each
> size:
>
> thp_anon=<size>[KMG]:<value>
>
> See Documentation/admin-guide/mm/transhuge.rst for more details.
>
> Configuring the defaults at boot time is useful to allow early user
> space to take advantage of mTHP before its been configured through
> sysfs.
>
> Signed-off-by: Ryan Roberts <ryan.roberts@xxxxxxx>

Tested-by: Barry Song <baohua@xxxxxxxxxx>
Reviewed-by: Barry Song <baohua@xxxxxxxxxx>

Thanks
Barry