Re: [PATCH 3/3] mm,thp,shmem: make khugepaged obey tmpfs mount flags

[Rik van Riel]

On Thu, 2020-11-26 at 20:42 +0100, Vlastimil Babka wrote:
> On 11/26/20 7:14 PM, Rik van Riel wrote:
> > On Thu, 2020-11-26 at 18:18 +0100, Vlastimil Babka wrote:
> > > 
> > This patch makes khugepaged treat the mount options
> > and/or
> > sysfs flag as enabling collapsing of huge pages in case
> > enabled = [always] for regular THPs.
> > 
> > Should I send another patch on top
> > of this that causes
> > khugepaged to be enabled when regular THPs are disabled,
> > but shmem THPs are enabled in any way?
> 
> I think it would make sense. Although it might involve counting
> thp-enabled shmem mounts and only run khugepaged when there are >0 of
> them.

That seems feasible. I can do that as a follow-up 4/3
patch after the Thanksgiving weekend :)

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