From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Thu, 7 Jul 2011 14:24:00 +0000 (-0400)
Subject: rculfhash: change order of node fields for locality
X-Git-Tag: v0.7.0~43^2~215
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=9b35f1e4c8561fd8937ab394e65cc9b230ea854d;p=userspace-rcu.git

rculfhash: change order of node fields for locality

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

diff --git a/urcu/rculfhash.h b/urcu/rculfhash.h
index e650acd..2e50beb 100644
--- a/urcu/rculfhash.h
+++ b/urcu/rculfhash.h
@@ -5,12 +5,14 @@
 #include <urcu-call-rcu.h>
 
 struct rcu_ht_node {
+	/* cache-hot for iteration */
 	struct rcu_ht_node *next;
-	void *key;
-	size_t key_len;
-	unsigned long hash;
 	unsigned long reverse_hash;
+	void *key;
+	unsigned int key_len;
 	unsigned int dummy;
+	/* cache-cold for iteration */
+	unsigned long hash;
 	struct rcu_head head;
 };