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Increase min free levels for cached processes on 64bit

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Requires less memory pressure to start killing cached
processes.

Bug: 18241791
Change-Id: Ia02f5aee115535badc900330b9361f0099203e4f
This commit is contained in:
Andres Morales
2014-11-04 14:56:16 -08:00
parent 808fe6f99f
commit 97621e05c0
1 changed files with 5 additions and 11 deletions
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16
services/core/java/com/android/server/am/ProcessList.java
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@@ -235,22 +235,16 @@ final class ProcessList {
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) {