Re: [PATCH v7 12/12] Documentation: mm: update the admin guide for mTHP collapse

[Nico Pache]

On Sun, Jun 8, 2025 at 9:06 PM Baolin Wang
<baolin.wang@xxxxxxxxxxxxxxxxx> wrote:
>
>
>
> On 2025/6/9 03:50, Nico Pache wrote:
> > On Sat, Jun 7, 2025 at 8:35 AM Dev Jain <dev.jain@xxxxxxx> wrote:
> >>
> >>
> >> On 07/06/25 6:27 pm, Nico Pache wrote:
> >>> On Sat, Jun 7, 2025 at 12:45 AM Dev Jain <dev.jain@xxxxxxx> wrote:
> >>>>
> >>>> On 15/05/25 8:52 am, Nico Pache wrote:
> >>>>
> >>>> Now that we can collapse to mTHPs lets update the admin guide to
> >>>> reflect these changes and provide proper guidence on how to utilize it.
> >>>>
> >>>> Reviewed-by: Bagas Sanjaya <bagasdotme@xxxxxxxxx>
> >>>> Signed-off-by: Nico Pache <npache@xxxxxxxxxx>
> >>>> ---
> >>>>    Documentation/admin-guide/mm/transhuge.rst | 14 +++++++++++++-
> >>>>    1 file changed, 13 insertions(+), 1 deletion(-)
> >>>>
> >>>> diff --git a/Documentation/admin-guide/mm/transhuge.rst b/Documentation/admin-guide/mm/transhuge.rst
> >>>> index dff8d5985f0f..5c63fe51b3ad 100644
> >>>> --- a/Documentation/admin-guide/mm/transhuge.rst
> >>>> +++ b/Documentation/admin-guide/mm/transhuge.rst
> >>>>
> >>>>
> >>>> We need to modify/remove the following paragraph:
> >>>>
> >>>> khugepaged currently only searches for opportunities to collapse to
> >>>> PMD-sized THP and no attempt is made to collapse to other THP
> >>>> sizes.
> >>> On this version this is currently still true, but once I add Baolin's
> >>> patch it will not be true. Thanks for the reminder :)
> >>
> >> You referenced Baolin's patch in the other email too, can you send the link,
> >> or the patch?
> >
> > He didn't send it to the mailing list, but rather off chain to all the
> > recipients of this series. You should have it in your email look for
> >
> > Subject: "mm: khugepaged: allow khugepaged to check all anonymous mTHP
> > orders" and "mm: khugepaged: kick khugepaged for enabling
> > none-PMD-sized mTHPs"
>
> You can find them at the following link:
> https://lore.kernel.org/all/ac9ed6d71b439611f9c94b3506a8ce975d4636e9.1748435162.git.baolin.wang@xxxxxxxxxxxxxxxxx/
Ah whoops you did send them on-chain. I'm so used to seeing the
mailing lists as the first recipients on the CC list xD
>