mm/list_lru.c: remove unused list_lru_from_kmem()

Fixes: 0a97c01cd20bb ("list_lru: allow explicit memcg and NUMA node selection)
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202312141318.q8b5yrAq-lkp@intel.com/
Cc: Nhat Pham <nphamcs@gmail.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Bagas Sanjaya <bagasdotme@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/mm/list_lru.c b/mm/list_lru.c
index fcca67ac26ec0a243df59b18bc5b7dad39dfc6b7..35b0147542a9ded5f906ce1066c2ea702349d3ae 100644 (file)
--- a/mm/list_lru.c
+++ b/mm/list_lru.c
@@ -59,28 +59,6 @@ list_lru_from_memcg_idx(struct list_lru *lru, int nid, int idx)
        }
        return &lru->node[nid].lru;
 }
-
-static inline struct list_lru_one *
-list_lru_from_kmem(struct list_lru *lru, int nid, void *ptr,
-                  struct mem_cgroup **memcg_ptr)
-{
-       struct list_lru_node *nlru = &lru->node[nid];
-       struct list_lru_one *l = &nlru->lru;
-       struct mem_cgroup *memcg = NULL;
-
-       if (!list_lru_memcg_aware(lru))
-               goto out;
-
-       memcg = mem_cgroup_from_slab_obj(ptr);
-       if (!memcg)
-               goto out;
-
-       l = list_lru_from_memcg_idx(lru, nid, memcg_kmem_id(memcg));
-out:
-       if (memcg_ptr)
-               *memcg_ptr = memcg;
-       return l;
-}
 #else
 static void list_lru_register(struct list_lru *lru)
 {
@@ -105,15 +83,6 @@ list_lru_from_memcg_idx(struct list_lru *lru, int nid, int idx)
 {
        return &lru->node[nid].lru;
 }
-
-static inline struct list_lru_one *
-list_lru_from_kmem(struct list_lru *lru, int nid, void *ptr,
-                  struct mem_cgroup **memcg_ptr)
-{
-       if (memcg_ptr)
-               *memcg_ptr = NULL;
-       return &lru->node[nid].lru;
-}
 #endif /* CONFIG_MEMCG_KMEM */
 
 bool list_lru_add(struct list_lru *lru, struct list_head *item, int nid,