Merge branch 'sverk/ethr_aux-cache-align-bug' into maint

* sverk/ethr_aux-cache-align-bug: erts: Fix cache line alignment bug for ts_event_pool
artplant · Jun 13, 2014 · 179f61e · 179f61e
2 parents 8d08111 + aa3a7c2
commit 179f61e
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/erts/lib_src/common/ethr_aux.c b/erts/lib_src/common/ethr_aux.c
@@ -1,7 +1,7 @@
 /*
  * %CopyrightBegin%
  *
- * Copyright Ericsson AB 2010-2012. All Rights Reserved.
+ * Copyright Ericsson AB 2010-2014. All Rights Reserved.
  *
  * The contents of this file are subject to the Erlang Public License,
  * Version 1.1, (the "License"); you may not use this file except in
@@ -360,10 +360,10 @@ static ethr_ts_event *ts_event_pool(int size, ethr_ts_event **endpp)
     int i;
     ethr_aligned_ts_event *atsev;
     atsev = ethr_mem__.std.alloc(sizeof(ethr_aligned_ts_event) * size
-				 + ETHR_CACHE_LINE_SIZE);
+				 + ETHR_CACHE_LINE_SIZE - 1);
     if (!atsev)
 	return NULL;
-    if ((((ethr_uint_t) atsev) & ETHR_CACHE_LINE_MASK) == 0)
+    if ((((ethr_uint_t) atsev) & ETHR_CACHE_LINE_MASK) != 0)
 	atsev = ((ethr_aligned_ts_event *)
 		 ((((ethr_uint_t) atsev) & ~ETHR_CACHE_LINE_MASK)
 		  + ETHR_CACHE_LINE_SIZE));