change shared_ptr<>* to raw pointer
authorShuai Ding <sding@fb.com>
Thu, 16 Aug 2012 22:00:15 +0000 (15:00 -0700)
committerTudor Bosman <tudorb@fb.com>
Sun, 26 Aug 2012 18:13:49 +0000 (11:13 -0700)
commit51f060fec3b7da5ee9630d62e1f9c895fcbacccc
tree100e38796ed965f758cba5a61aff256a25a474bc
parent4a7f5a250e3626a4fe0c6e0d6c5a3c8f04946e6b
change shared_ptr<>* to raw pointer

Summary:
change shared_ptr<>* to raw pointer in
forwardIndex in RTIndex. This saves 16 bytes per
forward list (decrease from 88 to 72) and translates
to about 4-5% memory saving for RTIndex in ff tier.

Test Plan: unit test

Reviewed By: xliux@fb.com

FB internal diff: D551191
folly/ConcurrentSkipList.h