rcuja: add fallback nodes

[userspace-rcu.git] / rcuja / rcuja-internal.h

diff --git a/rcuja/rcuja-internal.h b/rcuja/rcuja-internal.h
index 67d121bcda21722f35ec6e2cdc50993aefc5e9a9..74ee728af6a0f49dc649cc738f3e68ba434c904a 100644 (file)
--- a/rcuja/rcuja-internal.h
+++ b/rcuja/rcuja-internal.h
@@ -46,6 +46,7 @@ struct cds_ja_shadow_node {
        unsigned int nr_child;          /* number of children in node */
        struct rcu_head head;           /* for deferred node and shadow node reclaim */
        int is_root;                    /* is it a root node ? */
+       int fallback_removal_count;     /* removals left keeping fallback */
 };
 
 struct cds_ja {
@@ -58,6 +59,7 @@ struct cds_ja {
         * cache footprint, especially for very small nodes.
         */
        struct cds_lfht *ht;
+       unsigned long nr_fallback;      /* Number of fallback nodes used */
 };
 
 __attribute__((visibility("protected")))
@@ -68,7 +70,7 @@ __attribute__((visibility("protected")))
 void rcuja_shadow_unlock(struct cds_ja_shadow_node *shadow_node);
 
 __attribute__((visibility("protected")))
-int rcuja_shadow_set(struct cds_lfht *ht,
+struct cds_ja_shadow_node *rcuja_shadow_set(struct cds_lfht *ht,
                struct cds_ja_inode *new_node,
                struct cds_ja_shadow_node *inherit_from);