svn commit: r193710 - user/kmacy/releng_7_2_fcs/sys/vm

[Kip Macy]

Author: kmacy
Date: Mon Jun  8 12:02:15 2009
New Revision: 193710
URL: http://svn.freebsd.org/changeset/base/193710

Log:
  align buckets to avoid false sharing

Modified:
  user/kmacy/releng_7_2_fcs/sys/vm/uma_int.h

Modified: user/kmacy/releng_7_2_fcs/sys/vm/uma_int.h
==============================================================================
--- user/kmacy/releng_7_2_fcs/sys/vm/uma_int.h	Mon Jun  8 11:39:04 2009	(r193709)
+++ user/kmacy/releng_7_2_fcs/sys/vm/uma_int.h	Mon Jun  8 12:02:15 2009	(r193710)
@@ -168,7 +168,7 @@ struct uma_bucket {
 	int16_t	ub_cnt;				/* Count of free items. */
 	int16_t	ub_entries;			/* Max items. */
 	void	*ub_bucket[];			/* actual allocation storage */
-};
+} __aligned(128);
 
 typedef struct uma_bucket * uma_bucket_t;