hg: jdk7/hotspot-gc/hotspot: 6912018: CMS: guarantee(head() != 0, "The head of the list cannot be NULL")

[jon.masamitsu at sun.com]

Changeset: 05b775309e59
Author:    jmasa
Date:      2010-01-07 08:14 -0800
URL:       http://hg.openjdk.java.net/jdk7/hotspot-gc/hotspot/rev/05b775309e59

6912018: CMS: guarantee(head() != 0,"The head of the list cannot be NULL")
Summary: Block too small to split was not correctly putback to free lists.
Reviewed-by: ysr

! src/share/vm/gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.cpp