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Commit 0d42abec authored by Tim Murray's avatar Tim Murray
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ProcessList: fix lmkd minfree rules 

Moving CACHED_APP_MAX_ADJ to 999 without actually setting processes
to 999 results in the first LMK rule failing to kill anything ever.
Add a new constant for the oom_adj score used by the first LMK rule.

Test: lmkd no longer fails to kill adj 999 constantly
bug 123024834

Change-Id: Iaee5e7395faa897ee46eb13354f9e15a6363de9f
parent 31a11dcd

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

+6 −1
Original line number Diff line number Diff line
@@ -145,6 +145,11 @@ public final class ProcessList { 
    static final int CACHED_APP_MAX_ADJ = 999;

    static final int CACHED_APP_MIN_ADJ = 900;



    // This is the oom_adj level that we allow to die first. This cannot be equal to

    // CACHED_APP_MAX_ADJ unless processes are actively being assigned an oom_score_adj of

    // CACHED_APP_MAX_ADJ.

    static final int CACHED_APP_LMK_FIRST_ADJ = 950;



    // Number of levels we have available for different service connection group importance

    // levels.

    static final int CACHED_APP_IMPORTANCE_LEVELS = 5;
@@ -266,7 +271,7 @@ public final class ProcessList { 
    // can't give it a different value for every possible kind of process.

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

            FOREGROUND_APP_ADJ, VISIBLE_APP_ADJ, PERCEPTIBLE_APP_ADJ,

            BACKUP_APP_ADJ, CACHED_APP_MIN_ADJ, CACHED_APP_MAX_ADJ

            BACKUP_APP_ADJ, CACHED_APP_MIN_ADJ, CACHED_APP_LMK_FIRST_ADJ

    };

    // These are the low-end OOM level limits.  This is appropriate for an

    // HVGA or smaller phone with less than 512MB.  Values are in KB.