On Fri, Oct 18, 2024 at 07:58:41AM +0200, Greg KH wrote:
> On Thu, Oct 17, 2024 at 02:58:01PM -0700, chrisl@xxxxxxxxxx wrote:
> > A few commits from Yu Zhao have been merged into 6.12.
> > They need to be backported to 6.11.
>
> Why?
>
> > - c2a967f6ab0ec ("mm/hugetlb_vmemmap: don't synchronize_rcu() without HVO")
> > - 95599ef684d01 ("mm/codetag: fix pgalloc_tag_split()")
> > - e0a955bf7f61c ("mm/codetag: add pgalloc_tag_copy()")
>
> For mm changes, we need an explicit ack from the mm maintainers to take
> patches into the stable tree. Why were these not tagged with the normal
> "cc: stable@" tag in the first place?
I've got a possible regression in memory allocation profiling, and page
splitting would be a likely culprit, so we should probably hold off on
backporting until I bisect.
