macOS: Partition alloc should use memory tag 254.

macOS: Partition alloc should use memory tag 254.

This allows vmmap to more easily distinguish regions allocated by partition
alloc.

BUG=738926
Review-Url: https://codereview.chromium.org/2971603002
Cr-Commit-Position: refs/heads/master@{#484062}
Committed: https://chromium.googlesource.com/chromium/src/+/084a0028a55aeee36ba1886bd78e1048ab7cf3d9

[erikchen, 2017-07-03 17:06:27]

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

[erikchen, 2017-07-03 17:06:38]

erikchen@chromium.org changed reviewers:
+ haraken@chromium.org

[erikchen, 2017-07-03 17:06:39]

haraken: Please review.

[commit-bot: I haz the power, 2017-07-03 17:06:41]

Dry run: 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, 2017-07-03 18:44:06]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2017-07-03 18:44:07]

Dry run: This issue passed the CQ dry run.

[haraken, 2017-07-03 23:58:58]

LGTM

Do we want to do this on other platforms?

[erikchen, 2017-07-04 07:35:18]

On 2017/07/03 23:58:58, haraken wrote:
> LGTM
> 
> Do we want to do this on other platforms?

I don't believe this exact API is available. There may be counterparts, but I'm
not aware of them.

[erikchen, 2017-07-04 07:35:21]

The CQ bit was checked by erikchen@chromium.org

[commit-bot: I haz the power, 2017-07-04 07:35:33]

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, 2017-07-04 07:54:44]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1499153721896250, "parent_rev":
"6d9f2bc562e40fc712b9220a58c69e279d4f06b8", "commit_rev":
"084a0028a55aeee36ba1886bd78e1048ab7cf3d9"}

[commit-bot: I haz the power, 2017-07-04 07:54:59]

Description was changed from

==========
macOS: Partition alloc should use memory tag 254.

This allows vmmap to more easily distinguish regions allocated by partition
alloc.

BUG=738926
==========

to

==========
macOS: Partition alloc should use memory tag 254.

This allows vmmap to more easily distinguish regions allocated by partition
alloc.

BUG=738926

Review-Url: https://codereview.chromium.org/2971603002
Cr-Commit-Position: refs/heads/master@{#484062}
Committed:
https://chromium.googlesource.com/chromium/src/+/084a0028a55aeee36ba1886bd78e...
==========

[commit-bot: I haz the power, 2017-07-04 07:55:00]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/084a0028a55aeee36ba1886bd78e...