commit 64fee6148b6f77d11b9b799a68b66d67be851d7e
author Tim Murray <timmurray@google.com> Mon Oct 15 16:29:15 2018 -0700
committer Tim Murray <timmurray@google.com> Thu Oct 18 23:30:35 2018 +0000
tree 7c583d6c7a452c79852864dcd6291b6ab6edb7de
parent 13d2b5f1ab8ffa5f0ac5480dd4cbcf06452b671b

hwui: purge malloc pages on bitmap destruction

Immediately purge malloc pages on bitmap destruction. Bitmaps are often
big and can cause memory to stay high for much longer than it should.

Test: boots and works
bug 117795621

Merged-in: If2e8c5f1fc07039cf3dc3edcd3dc06861dbce1a1
Change-Id: If2e8c5f1fc07039cf3dc3edcd3dc06861dbce1a1

libs/hwui/hwui/Bitmap.cpp

diff --git a/libs/hwui/hwui/Bitmap.cpp b/libs/hwui/hwui/Bitmap.cpp
index 263d249..e7ffbee 100644
--- a/libs/hwui/hwui/Bitmap.cpp
+++ b/libs/hwui/hwui/Bitmap.cpp
@@ -223,6 +223,7 @@
             break;
         case PixelStorageType::Heap:
             free(mPixelStorage.heap.address);
+            mallopt(M_PURGE, 0);
             break;
         case PixelStorageType::Hardware:
             auto buffer = mPixelStorage.hardware.buffer;