tree 40e206842590a3f28d39e164f733d09ac6c3656a
parent b43ab5d1ba0c131ac0fbf5136c2bfd2bcd5df959
author Christopher Ferris <cferris@google.com> 1494892087 -0700
committer Christopher Ferris <cferris@google.com> 1495572233 -0700

Change the decay timer default to 0.

Default to always purging, and then assume that people can change
this value if they are willing to leave a bit of PSS hanging around.

Bug: 36401135

Test: Built and booted bullhead.
Test: Ran jemalloc unit tests.
Test: Ran bionic unit tests.
Test: Ran a test that allocated and free'd a large piece of memory,
Test: and verified that after changing the parameter, the PSS
Test: sticks around (decay timer set to 1), the PSS is purged (decay
Test: timer set to 0).
(cherry picked from commit a6f685beacaa3f8da06cb28f38bb559eac7d4dda)

Change-Id: Ide1381d78e070f155ee820bfcbeebe0d8b6a3693