[heap] Collaborating sweeper tasks

[heap] Collaborating sweeper tasks

Instead of only sweeping a specific space, let tasks work together once they have
swept their corresponding space.

BUG=

Committed: https://crrev.com/8902513e4d324348758b9ee794d8e9b026a9e7af
Cr-Commit-Position: refs/heads/master@{#33849}

[Michael Lippautz, 2016-02-08 13:36:57]

Description was changed from

==========
[heap] Let sweeper tasks work on all pages.

Instead of only sweeping a specific space, let them work together once they have
swept their corresponding space.

BUG=
==========

to

==========
[heap] Collaborating sweeper tasks

Instead of only sweeping a specific space, let them work together once they have
swept their corresponding space.

BUG=
==========

[Michael Lippautz, 2016-02-08 14:02:50]

Description was changed from

==========
[heap] Collaborating sweeper tasks

Instead of only sweeping a specific space, let them work together once they have
swept their corresponding space.

BUG=
==========

to

==========
[heap] Collaborating sweeper tasks

Instead of only sweeping a specific space, let tasks work together once they
have
swept their corresponding space.

BUG=
==========

[Michael Lippautz, 2016-02-08 14:05:01]

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

[Hannes Payer (out of office), 2016-02-09 14:11:41]

LGTM

[Michael Lippautz, 2016-02-09 14:15:16]

The CQ bit was checked by mlippautz@chromium.org

[commit-bot: I haz the power, 2016-02-09 14:15:28]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1678863002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1678863002/1

[commit-bot: I haz the power, 2016-02-09 15:09:14]

Description was changed from

==========
[heap] Collaborating sweeper tasks

Instead of only sweeping a specific space, let tasks work together once they
have
swept their corresponding space.

BUG=
==========

to

==========
[heap] Collaborating sweeper tasks

Instead of only sweeping a specific space, let tasks work together once they
have
swept their corresponding space.

BUG=
==========

[commit-bot: I haz the power, 2016-02-09 15:09:15]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-02-09 15:09:30]

Description was changed from

==========
[heap] Collaborating sweeper tasks

Instead of only sweeping a specific space, let tasks work together once they
have
swept their corresponding space.

BUG=
==========

to

==========
[heap] Collaborating sweeper tasks

Instead of only sweeping a specific space, let tasks work together once they
have
swept their corresponding space.

BUG=

Committed: https://crrev.com/8902513e4d324348758b9ee794d8e9b026a9e7af
Cr-Commit-Position: refs/heads/master@{#33849}
==========

[commit-bot: I haz the power, 2016-02-09 15:09:31]

Patchset 1 (id:??) landed as
https://crrev.com/8902513e4d324348758b9ee794d8e9b026a9e7af
Cr-Commit-Position: refs/heads/master@{#33849}