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Commit 423c44dc authored by Andres Morales's avatar Andres Morales
Browse files

[DO NOT MERGE] Increase min free levels for cached processes on 64bit 

Requires less memory pressure to start killing cached
processes.

Change-Id: Ia02f5aee115535badc900330b9361f0099203e4f
parent 4cc7ae80

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

+6 −12
Original line number Original line Diff line number Diff line
@@ -177,7 +177,7 @@ final class ProcessList { 
    // 1280x800 or larger screen with around 1GB RAM.  Values are in KB.

    // 1280x800 or larger screen with around 1GB RAM.  Values are in KB.

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

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

            73728, 92160, 110592,

            73728, 92160, 110592,

            129024, 147456, 184320

            129024, 225000, 325000

    };

    };

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

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

    private final int[] mOomMinFree = new int[mOomAdj.length];

    private final int[] mOomMinFree = new int[mOomAdj.length];
@@ -235,22 +235,16 @@ final class ProcessList { 
            Slog.i("XXXXXX", "minfree_adj=" + minfree_adj + " minfree_abs=" + minfree_abs);

            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

        if (Build.SUPPORTED_64_BIT_ABIS.length > 0) {

        // they seem to be useful more generally for devices that are tight on

            // Increase the high min-free levels for cached processes for 64-bit

        // memory than just for 64 bit.  This should probably have some more

            mOomMinFreeHigh[4] = 225000;

        // tuning done, so not deleting it quite yet...

            mOomMinFreeHigh[5] = 325000;

        final boolean is64bit = false; //Build.SUPPORTED_64_BIT_ABIS.length > 0;

        }





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

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

            int low = mOomMinFreeLow[i];

            int low = mOomMinFreeLow[i];

            int high = mOomMinFreeHigh[i];

            int high = mOomMinFreeHigh[i];

            mOomMinFree[i] = (int)(low + ((high-low)*scale));

            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) {

        if (minfree_abs >= 0) {