tree 2167b79cf593d5ff686aaf0e3bca3b7c571c6d69
parent 4cfe74cb50b73f5f4b6dd32aabed55d044afe348
author Hiroshi Yamauchi <yamauchi@google.com> 1425927468 -0700
committer Hiroshi Yamauchi <yamauchi@google.com> 1426113179 -0700

Rosalloc thread local allocation path without a cas.

Speedup on N4:
MemAllocTest 3044 -> 2396 (~21% reduction)
BinaryTrees  4101 -> 2929 (~26% reduction)

Bug: 9986565
Change-Id: Ia1d1a37b9e001f903c3c056e8ec68fc8c623a78b