Re: [PATCH v1 1/2] mm: multi-gen LRU: use mem_cgroup_lruvec() in get_lruvec()

[Baolin Wang]

On 10/22/26 7:56 AM, Siddharth Chintamaneni wrote:
> Andrew Morton noted that get_lruvec() has the same pattern as
> lru_gen_shrink_node(): when memcg is disabled on the command line
> (cgroup_disable=memory), it returns &pgdat->__lruvec directly instead of
> going through mem_cgroup_lruvec(), which initializes lruvec->pgdat.
>
> In practice all callers of get_lruvec() run after kswapd_init() has
> already initialized pgdat->__lruvec.pgdat on every N_MEMORY node, so
> this is not a runtime bug. Have get_lruvec() delegate to
> mem_cgroup_lruvec() directly.
>
> Signed-off-by: Siddharth Chintamaneni <sidchintamaneni@xxxxxxxxx>
> Signed-off-by: Hardik Garg <hargar@xxxxxxxxxxxxxxxxxxx>
> ---

LGTM.
Reviewed-by: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>