mozilla-central: changeset 290192:8060bad4e3e0f3ba6afd3dabe5b0950ccea6fb57

author	Nicholas Nethercote <nnethercote@mozilla.com>
	Thu, 24 Mar 2016 16:38:45 +1100
changeset 290192	8060bad4e3e0f3ba6afd3dabe5b0950ccea6fb57
parent 290191	4a788be24b8a74cfd115aae7ea839fe37d44864a
child 290193	e139011ede5bda9f57c356cdc9e69e637680d671
push id	30114
push user	cbook@mozilla.com
push date	Thu, 24 Mar 2016 15:15:54 +0000
treeherder	mozilla-central@24c5fbde4488 [default view] [failures only]
perfherder	[talos] [build metrics] [platform microbench] (compared to previous push)
reviewers	glandium
bugs	1258257
milestone	48.0a1
first release with	nightly linux32 d5f3da0cfe7c / 48.0a1 / 20160325030241 / files nightly linux64 d5f3da0cfe7c / 48.0a1 / 20160325030241 / files nightly mac d5f3da0cfe7c / 48.0a1 / 20160325030241 / files nightly win32 b942c98f56c4 / 48.0a1 / 20160324154036 / files nightly win64 b942c98f56c4 / 48.0a1 / 20160324153548 / files
last release without	nightly linux32 6202ade0e6d6 / 48.0a1 / 20160324030447 / files nightly linux64 6202ade0e6d6 / 48.0a1 / 20160324030447 / files nightly mac 6202ade0e6d6 / 48.0a1 / 20160324030447 / files nightly win32 6202ade0e6d6 / 48.0a1 / 20160324030447 / files nightly win64 6202ade0e6d6 / 48.0a1 / 20160324030447 / files

--- a/memory/mozjemalloc/jemalloc.c
+++ b/memory/mozjemalloc/jemalloc.c
@@ -531,17 +531,17 @@ static const bool isthreaded = true;
 #endif
 
 /*
  * Size and alignment of memory chunks that are allocated by the OS's virtual
  * memory system.
  */
 #define	CHUNK_2POW_DEFAULT	20
 /* Maximum number of dirty pages per arena. */
-#define	DIRTY_MAX_DEFAULT	(1U << 10)
+#define	DIRTY_MAX_DEFAULT	(1U << 8)
 
 /*
  * Maximum size of L1 cache line.  This is used to avoid cache line aliasing,
  * so over-estimates are okay (up to a point), but under-estimates will
  * negatively affect performance.
  */
 #define	CACHELINE_2POW		6
 #define	CACHELINE		((size_t)(1U << CACHELINE_2POW))