On Tue, 3 Sep 2024 15:36:49 -0600 Yu Zhao <yuzhao@xxxxxxxxxx> wrote: > Add pgalloc_tag_copy() to transfer the codetag from the old folio to > the new one during migration. This makes original allocation sites > persist cross migration rather than lump into compaction_alloc, e.g., > # echo 1 >/proc/sys/vm/compact_memory > # grep compaction_alloc /proc/allocinfo > > Before this patch: > 132968448 32463 mm/compaction.c:1880 func:compaction_alloc > > After this patch: > 0 0 mm/compaction.c:1880 func:compaction_alloc > I'm thinking that [2/3] should be backported? And possibly this one, but for that we should identify a Fixes:, please.
