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    Subject[PATCH v2 12/27] mm/memcg: Add mem_cgroup_folio_lruvec
    Date
    mem_cgroup_page_lruvec() already expects a head page, so this will add some
    typesafety once we can remove mem_cgroup_page_lruvec().

    Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
    ---
    include/linux/memcontrol.h | 6 ++++++
    1 file changed, 6 insertions(+)

    diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
    index 89aaa22506e6..ec7ecfc0e47b 100644
    --- a/include/linux/memcontrol.h
    +++ b/include/linux/memcontrol.h
    @@ -1454,6 +1454,12 @@ static inline void lruvec_memcg_debug(struct lruvec *lruvec, struct page *page)
    }
    #endif /* CONFIG_MEMCG */

    +static inline struct lruvec *mem_cgroup_folio_lruvec(struct folio *folio,
    + struct pglist_data *pgdat)
    +{
    + return mem_cgroup_page_lruvec(&folio->page, pgdat);
    +}
    +
    static inline void __inc_lruvec_kmem_state(void *p, enum node_stat_item idx)
    {
    __mod_lruvec_kmem_state(p, idx, 1);
    --
    2.29.2
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