Factor out a bpf_lru_move_next_inactive_rotation() helper to update
next_inactive_rotation when handling the extra-node case.

No functional change intended.

Signed-off-by: Leon Hwang <[email protected]>
---
 kernel/bpf/bpf_lru_list.c | 21 +++++++++++----------
 1 file changed, 11 insertions(+), 10 deletions(-)

diff --git a/kernel/bpf/bpf_lru_list.c b/kernel/bpf/bpf_lru_list.c
index b17b05f41900..563707af8035 100644
--- a/kernel/bpf/bpf_lru_list.c
+++ b/kernel/bpf/bpf_lru_list.c
@@ -61,6 +61,15 @@ static void bpf_lru_list_count_dec(struct bpf_lru_list *l,
                l->counts[type]--;
 }
 
+static void bpf_lru_move_next_inactive_rotation(struct bpf_lru_list *l, struct 
bpf_lru_node *node)
+{
+       /* If the removing node is the next_inactive_rotation candidate,
+        * move the next_inactive_rotation pointer also.
+        */
+       if (&node->list == l->next_inactive_rotation)
+               l->next_inactive_rotation = l->next_inactive_rotation->prev;
+}
+
 static void __bpf_lru_node_move_to_free(struct bpf_lru_list *l,
                                        struct bpf_lru_node *node,
                                        struct list_head *free_list,
@@ -69,11 +78,7 @@ static void __bpf_lru_node_move_to_free(struct bpf_lru_list 
*l,
        if (WARN_ON_ONCE(IS_LOCAL_LIST_TYPE(node->type)))
                return;
 
-       /* If the removing node is the next_inactive_rotation candidate,
-        * move the next_inactive_rotation pointer also.
-        */
-       if (&node->list == l->next_inactive_rotation)
-               l->next_inactive_rotation = l->next_inactive_rotation->prev;
+       bpf_lru_move_next_inactive_rotation(l, node);
 
        bpf_lru_list_count_dec(l, node->type);
 
@@ -114,11 +119,7 @@ static void __bpf_lru_node_move(struct bpf_lru_list *l,
        }
        bpf_lru_node_clear_ref(node);
 
-       /* If the moving node is the next_inactive_rotation candidate,
-        * move the next_inactive_rotation pointer also.
-        */
-       if (&node->list == l->next_inactive_rotation)
-               l->next_inactive_rotation = l->next_inactive_rotation->prev;
+       bpf_lru_move_next_inactive_rotation(l, node);
 
        list_move(&node->list, &l->lists[tgt_type]);
 }
-- 
2.52.0


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