On 10/18/24 07:58, 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? The two codetags commit actually were tagged. c2a967f6ab0ec seems to me an unrelated performance optimization, could make sense in a LTS kernel but is there a lot of benefit expected for the lifetime of 6.11? > thanks, > > greg k-h