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Commit 824aeab2 authored by Dianne Hackborn's avatar Dianne Hackborn
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Re-tune low memory killer params. 

Drop the minimums back down to their old values.

Revert what I think was a mistake in bumping up the last two
maximums to the same value as was being forced for 64 bit.

Smarten the 64 bit adjustment to be relative to the values picked,
rather than hard-coded.

Change-Id: Ibee9625073469ad4722a1b6684c9fb2b9f0a4681
parent ee660651

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

+4 −4
Original line number Diff line number Diff line
@@ -177,7 +177,7 @@ final class ProcessList { 
    // 1280x800 or larger screen with around 1GB RAM.  Values are in KB.

    private final int[] mOomMinFreeHigh = new int[] {

            73728, 92160, 110592,

            129024, 225000, 325000

            129024, 147456, 184320

    };

    // The actual OOM killer memory levels we are using.

    private final int[] mOomMinFree = new int[mOomAdj.length];
@@ -212,7 +212,7 @@ final class ProcessList { 
    private void updateOomLevels(int displayWidth, int displayHeight, boolean write) {

        // Scale buckets from avail memory: at 300MB we use the lowest values to

        // 700MB or more for the top values.

        float scaleMem = ((float)(mTotalMemMb-300))/(700-300);

        float scaleMem = ((float)(mTotalMemMb-350))/(700-350);



        // Scale buckets from screen size.

        int minSize = 480*800;  //  384000
@@ -237,8 +237,8 @@ final class ProcessList { 


        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;

            mOomMinFreeHigh[4] = (mOomMinFreeHigh[4]*3)/2;

            mOomMinFreeHigh[5] = (mOomMinFreeHigh[5]*7)/8;

        }



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