include/net/tcp.h: Use ____cacheline_aligned

include/net/tcp.h

@@ -27,6 +27,7 @@
 #include <linux/config.h>
 #include <linux/tcp.h>
 #include <linux/slab.h>
+#include <linux/cache.h>
 #include <net/checksum.h>
 #include <net/sock.h>
 #if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
@@ -120,8 +121,7 @@ extern struct tcp_hashinfo {
 	 * Now align to a new cache line as all the following members
 	 * are often dirty.
 	 */
-	rwlock_t __tcp_lhash_lock
-		__attribute__((__aligned__(SMP_CACHE_BYTES)));
+	rwlock_t __tcp_lhash_lock ____cacheline_aligned;
 	atomic_t __tcp_lhash_users;
 	wait_queue_head_t __tcp_lhash_wait;
 	spinlock_t __tcp_portalloc_lock;