[DO NOT MERGE] Increase min free levels for cached processes on 64bit
Requires less memory pressure to start killing cached
processes.
Change-Id: Ia02f5aee115535badc900330b9361f0099203e4f
diff --git a/services/core/java/com/android/server/am/ProcessList.java b/services/core/java/com/android/server/am/ProcessList.java
index 5b22255..a4aff77 100644
--- a/services/core/java/com/android/server/am/ProcessList.java
+++ b/services/core/java/com/android/server/am/ProcessList.java
@@ -177,7 +177,7 @@
// 1280x800 or larger screen with around 1GB RAM. Values are in KB.
private final int[] mOomMinFreeHigh = new int[] {
73728, 92160, 110592,
- 129024, 147456, 184320
+ 129024, 225000, 325000
};
// The actual OOM killer memory levels we are using.
private final int[] mOomMinFree = new int[mOomAdj.length];
@@ -235,22 +235,16 @@
Slog.i("XXXXXX", "minfree_adj=" + minfree_adj + " minfree_abs=" + minfree_abs);
}
- // We've now baked in the increase to the basic oom values above, since
- // they seem to be useful more generally for devices that are tight on
- // memory than just for 64 bit. This should probably have some more
- // tuning done, so not deleting it quite yet...
- final boolean is64bit = false; //Build.SUPPORTED_64_BIT_ABIS.length > 0;
+ if (Build.SUPPORTED_64_BIT_ABIS.length > 0) {
+ // Increase the high min-free levels for cached processes for 64-bit
+ mOomMinFreeHigh[4] = 225000;
+ mOomMinFreeHigh[5] = 325000;
+ }
for (int i=0; i<mOomAdj.length; i++) {
int low = mOomMinFreeLow[i];
int high = mOomMinFreeHigh[i];
mOomMinFree[i] = (int)(low + ((high-low)*scale));
- if (is64bit) {
- // On 64 bit devices, we consume more baseline RAM, because 64 bit is cool!
- // To avoid being all pagey and stuff, scale up the memory levels to
- // give us some breathing room.
- mOomMinFree[i] = (3*mOomMinFree[i])/2;
- }
}
if (minfree_abs >= 0) {
