Summary: Help ReferenceHandler thread process References while attempting to allocate direct memory
Reviewed-by: alanb

Summary: On Mac OS X, align system property "os.arch" with Apple legacy JDKs.  Also, improve os.name string matching by using .contains() method instead of .startsWith(). This fix spans multiple repositories.
Reviewed-by: dcubed, phh, ohair, katleman

Reviewed-by: alanb, mduigou

Reviewed-by: xdono

6743526: (bf) -XX:MaxDirectMemorySize=<size> limits memory usage rather than total capacity as intended
Reviewed-by: chegar

6799037: (fs) MappedByteBuffer.load crash with unaligned file-mapping (sol)
Reviewed-by: chegar, forax

Reviewed-by: alanb, sherman
Contributed-by: NUlf Zibis <ulf.zibis@gmx.de>

Reviewed-by: darcy, weijun

Reviewed-by: mchung

Summary: Update for files that have been modified starting July 2008
Reviewed-by: ohair, tbell

Reviewed-by: iris

Reviewed-by: mchung, iris