Merge "lowmemorykiller: Overwrite LMK parameters for low-tier devices" (efa0605c) · Commits · e / os / android_frameworks_base

services/java/com/android/server/am/ProcessList.java

+15 −3

Original line number	Diff line number	Diff line
		@@ -162,6 +162,11 @@ final class ProcessList {
		};
		// The actual OOM killer memory levels we are using.
		private final long[] mOomMinFree = new long[mOomAdj.length];
		// Optimal OOM killer memory levels for Low-Tier devices.
		private final long[] mOomMinFreeLowRam = new long[] {
		12288, 20480, 32768,
		40960, 49152, 57344
		};

		private final long mTotalMemMb;

		@@ -216,11 +221,18 @@ final class ProcessList {
		Slog.i("XXXXXX", "minfree_adj=" + minfree_adj + " minfree_abs=" + minfree_abs);
		}

		// Overwrite calculated LMK parameters with the low-tier tested/validated values
		boolean is_lowram = SystemProperties.getBoolean("ro.config.low_ram",false);
		for (int i=0; i<mOomAdj.length; i++) {
		if (is_lowram) {
		mOomMinFree[i] = mOomMinFreeLowRam[i];
		}
		else {
		long low = mOomMinFreeLow[i];
		long high = mOomMinFreeHigh[i];
		mOomMinFree[i] = (long)(low + ((high-low)*scale));
		}
		}

		if (minfree_abs >= 0) {
		for (int i=0; i<mOomAdj.length; i++) {