nari	2012-11-27 14:00:57 +0900 (Tue, 27 Nov 2012)

  New Revision: 37890

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=37890

  Log:
    * NEWS: add improvements of the garbage collector.

  Modified files:
    trunk/ChangeLog
    trunk/NEWS

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 37889)
+++ ChangeLog	(revision 37890)
@@ -1,3 +1,7 @@
+Tue Nov 27 13:59:29 2012  Narihiro Nakamura  <authornari@g...>
+
+	* NEWS: add improvements of the garbage collector.
+
 Tue Nov 27 13:27:46 2012  Eric Hodel  <drbrain@s...>
 
 	* lib/rdoc*:  Updated to RDoc 4.0 (pre-release)
Index: NEWS
===================================================================
--- NEWS	(revision 37889)
+++ NEWS	(revision 37890)
@@ -50,6 +50,12 @@
       * File.fnmatch? now expands braces in the pattern if
         File::FNM_EXTGLOB option is given.
 
+  * GC
+    * improvements:
+      * introduced the bitmap marking which suppresses to copy a memory page
+        with Copy-on-Write.
+      * introduced the non-recurcive marking which avoids unexpected stack overflow.
+
   * GC::Profiler
     * added method:
       * added GC::Profiler.raw_data which returns raw profile data for GC.

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