[heap] Concurrently free empty slot set buckets.

[heap] Concurrently free empty slot set buckets.

BUG=chromium:648568
Committed: https://crrev.com/1cb133e312a9e33c78c8cfca6e8bd59246f44d02
Cr-Commit-Position: refs/heads/master@{#39982}

[Hannes Payer (out of office), 2016-10-05 08:50:49]

Description was changed from

==========
[heap] Reland Concurrently free empty slot set buckets.

BUG=chromium:648568
==========

to

==========
[heap] Concurrently free empty slot set buckets.

BUG=chromium:648568
==========

[Hannes Payer (out of office), 2016-10-05 08:58:01]

The CQ bit was checked by hpayer@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-10-05 08:58:07]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[Hannes Payer (out of office), 2016-10-05 08:58:41]

The CQ bit was unchecked by hpayer@chromium.org

[Hannes Payer (out of office), 2016-10-05 08:59:30]

hpayer@chromium.org changed reviewers:
+ mlippautz@chromium.org

[Hannes Payer (out of office), 2016-10-05 08:59:30]

https://codereview.chromium.org/2390743005/diff/1/src/heap/slot-set.h
File src/heap/slot-set.h (right):

https://codereview.chromium.org/2390743005/diff/1/src/heap/slot-set.h#newcode28
src/heap/slot-set.h:28: enum IterationMode { PREFREE_EMPTY_BUCKETS,
KEEP_EMPTY_BUCKETS };
KEEP_EMPTY_BUCKETS will be used as soon as we move filtering to the sweeper.

[Michael Lippautz, 2016-10-05 09:15:56]

lgtm

[Hannes Payer (out of office), 2016-10-05 09:16:36]

The CQ bit was checked by hpayer@chromium.org

[commit-bot: I haz the power, 2016-10-05 09:16:41]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-10-05 09:26:58]

Description was changed from

==========
[heap] Concurrently free empty slot set buckets.

BUG=chromium:648568
==========

to

==========
[heap] Concurrently free empty slot set buckets.

BUG=chromium:648568
==========

[commit-bot: I haz the power, 2016-10-05 09:26:59]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-10-05 09:27:17]

Description was changed from

==========
[heap] Concurrently free empty slot set buckets.

BUG=chromium:648568
==========

to

==========
[heap] Concurrently free empty slot set buckets.

BUG=chromium:648568

Committed: https://crrev.com/1cb133e312a9e33c78c8cfca6e8bd59246f44d02
Cr-Commit-Position: refs/heads/master@{#39982}
==========

[commit-bot: I haz the power, 2016-10-05 09:27:18]

Patchset 1 (id:??) landed as
https://crrev.com/1cb133e312a9e33c78c8cfca6e8bd59246f44d02
Cr-Commit-Position: refs/heads/master@{#39982}