diff --git a/services/core/java/com/android/server/am/CachedAppOptimizer.java b/services/core/java/com/android/server/am/CachedAppOptimizer.java
index 2d7b0dc7b536d..e34cd12d0ec39 100644
--- a/services/core/java/com/android/server/am/CachedAppOptimizer.java
+++ b/services/core/java/com/android/server/am/CachedAppOptimizer.java
@@ -845,7 +845,7 @@ public final class CachedAppOptimizer {
     /**
      * Retrieves the free swap percentage.
      */
-    static private native double getFreeSwapPercent();
+    static native double getFreeSwapPercent();
 
     /**
      * Retrieves the total used physical ZRAM
diff --git a/services/core/java/com/android/server/am/OomAdjuster.java b/services/core/java/com/android/server/am/OomAdjuster.java
index 68e5a5df95629..3c0fd8f5e4965 100644
--- a/services/core/java/com/android/server/am/OomAdjuster.java
+++ b/services/core/java/com/android/server/am/OomAdjuster.java
@@ -1118,6 +1118,12 @@ public class OomAdjuster {
 
     private long mNextNoKillDebugMessageTime;
 
+    private double mLastFreeSwapPercent = 1.00;
+
+    private static double getFreeSwapPercent() {
+        return CachedAppOptimizer.getFreeSwapPercent();
+    }
+
     @GuardedBy({"mService", "mProcLock"})
     private boolean updateAndTrimProcessLSP(final long now, final long nowElapsed,
             final long oldTime, final ActiveUids activeUids, @OomAdjReason int oomAdjReason) {
@@ -1142,6 +1148,11 @@ public class OomAdjuster {
         int numEmpty = 0;
         int numTrimming = 0;
 
+        boolean proactiveKillsEnabled = false;  // TODO: Configure from phenotype
+        double lowSwapThresholdPercent = 0.10;  // TODO: Configure from phenotype
+        double freeSwapPercent =  proactiveKillsEnabled ? getFreeSwapPercent() : 1.00;
+        ProcessRecord lruCachedApp = null;
+
         for (int i = numLru - 1; i >= 0; i--) {
             ProcessRecord app = lruList.get(i);
             final ProcessStateRecord state = app.mState;
@@ -1179,6 +1190,8 @@ public class OomAdjuster {
                                     ApplicationExitInfo.REASON_OTHER,
                                     ApplicationExitInfo.SUBREASON_TOO_MANY_CACHED,
                                     true);
+                        } else if (proactiveKillsEnabled) {
+                            lruCachedApp = app;
                         }
                         break;
                     case PROCESS_STATE_CACHED_EMPTY:
@@ -1198,6 +1211,8 @@ public class OomAdjuster {
                                         ApplicationExitInfo.REASON_OTHER,
                                         ApplicationExitInfo.SUBREASON_TOO_MANY_EMPTY,
                                         true);
+                            } else if (proactiveKillsEnabled) {
+                                lruCachedApp = app;
                             }
                         }
                         break;
@@ -1229,6 +1244,20 @@ public class OomAdjuster {
             }
         }
 
+        if (proactiveKillsEnabled                               // Proactive kills enabled?
+                && doKillExcessiveProcesses                     // Should kill excessive processes?
+                && freeSwapPercent < lowSwapThresholdPercent    // Swap below threshold?
+                && lruCachedApp != null                         // If no cached app, let LMKD decide
+                // If swap is non-decreasing, give reclaim a chance to catch up
+                && freeSwapPercent < mLastFreeSwapPercent) {
+            lruCachedApp.killLocked("swap low and too many cached",
+                    ApplicationExitInfo.REASON_OTHER,
+                    ApplicationExitInfo.SUBREASON_TOO_MANY_CACHED,
+                    true);
+        }
+
+        mLastFreeSwapPercent = freeSwapPercent;
+
         return mService.mAppProfiler.updateLowMemStateLSP(numCached, numEmpty, numTrimming);
     }