On Fri, 14 Nov 2025 07:55:29 +1100 Balbir Singh <[email protected]> wrote:
> >> THe logic LGTM but we don't want to have a bisect hazard here by having > >> the bug > >> introduced earlier then resolved here. > > > > Exactly. > > > > The hazard is a VM_WARN_ON() that checks for is_migration_entry() in the > call to softleaf_is_migration_young(). I am happy to go down that path, > let me send out the fixups, it felt weird to break the rebase, but I > am sure Andrew has a better way of dealing with this stuff. Yes, please tell us which patch introduced the issue then send a fix for that patch. We can figure out the softleaf changes later. (Which this patch provides anyway). Also, confusing that the changelog says "The softleaf changes exposed a BUG in remove_rmap_pmd()" but it's remove_migration_pmd() that gets altered. Please expand and clarify?
