On Mon, Nov 9, 2020 at 7:10 PM Muchun Song <[email protected]> wrote: > > If we reparent the slab objects to the root memcg, when we free > the slab object, we need to update the per-memcg vmstats to keep > it correct for the root memcg. Now this at least affects the vmstat > of NR_KERNEL_STACK_KB for !CONFIG_VMAP_STACK when the thread stack > size is smaller than the PAGE_SIZE. > > Fixes: ec9f02384f60 ("mm: workingset: fix vmstat counters for shadow nodes") > Signed-off-by: Muchun Song <[email protected]> > Acked-by: Roman Gushchin <[email protected]>
Reviewed-by: Shakeel Butt <[email protected]>

