diff --git a/cmds/statsd/src/atoms.proto b/cmds/statsd/src/atoms.proto
index ae751ce6d7abe..fe3c3d5da6df4 100644
--- a/cmds/statsd/src/atoms.proto
+++ b/cmds/statsd/src/atoms.proto
@@ -4094,9 +4094,13 @@ message ProcessMemoryHighWaterMark {
     // Provided by ActivityManagerService or read from /proc/PID/cmdline.
     optional string process_name = 2;
 
+    // Deprecated: use rss_high_water_mark_in_kilobytes instead. This field is
+    // computed by converting kilobytes to bytes.
+    optional int64 rss_high_water_mark_in_bytes = 3 [deprecated = true];
+
     // RSS high-water mark. Peak RSS usage of the process. Read from the VmHWM field in
     // /proc/PID/status.
-    optional int64 rss_high_water_mark_in_bytes = 3;
+    optional int32 rss_high_water_mark_in_kilobytes = 4;
 }
 
 /*
diff --git a/services/core/java/com/android/server/am/MemoryStatUtil.java b/services/core/java/com/android/server/am/MemoryStatUtil.java
index 95eb2c69024e6..6666cf42ab5d8 100644
--- a/services/core/java/com/android/server/am/MemoryStatUtil.java
+++ b/services/core/java/com/android/server/am/MemoryStatUtil.java
@@ -126,9 +126,9 @@ public final class MemoryStatUtil {
 
     /**
      * Reads RSS high-water mark of a process from procfs. Returns value of the VmHWM field in
-     * /proc/PID/status in bytes or 0 if not available.
+     * /proc/PID/status in kilobytes or 0 if not available.
      */
-    public static long readRssHighWaterMarkFromProcfs(int pid) {
+    public static int readRssHighWaterMarkFromProcfs(int pid) {
         final String statusPath = String.format(Locale.US, PROC_STATUS_FILE_FMT, pid);
         return parseVmHWMFromProcfs(readFileContents(statusPath));
     }
@@ -236,17 +236,15 @@ public final class MemoryStatUtil {
     }
 
     /**
-     * Parses RSS high watermark out from the contents of the /proc/pid/status file in procfs. The
-     * returned value is in bytes.
+     * Parses RSS high-water mark out from the contents of the /proc/pid/status file in procfs. The
+     * returned value is in kilobytes.
      */
     @VisibleForTesting
-    static long parseVmHWMFromProcfs(String procStatusContents) {
+    static int parseVmHWMFromProcfs(String procStatusContents) {
         if (procStatusContents == null || procStatusContents.isEmpty()) {
             return 0;
         }
-        // Convert value read from /proc/pid/status from kilobytes to bytes.
-        return tryParseLong(RSS_HIGH_WATERMARK_IN_KILOBYTES, procStatusContents)
-                * BYTES_IN_KILOBYTE;
+        return (int) tryParseLong(RSS_HIGH_WATERMARK_IN_KILOBYTES, procStatusContents);
     }
 
 
diff --git a/services/core/java/com/android/server/stats/StatsCompanionService.java b/services/core/java/com/android/server/stats/StatsCompanionService.java
index c76bbb05a3595..e176480f685d1 100644
--- a/services/core/java/com/android/server/stats/StatsCompanionService.java
+++ b/services/core/java/com/android/server/stats/StatsCompanionService.java
@@ -1237,15 +1237,17 @@ public class StatsCompanionService extends IStatsCompanionService.Stub {
                 LocalServices.getService(
                         ActivityManagerInternal.class).getMemoryStateForProcesses();
         for (ProcessMemoryState managedProcess : managedProcessList) {
-            final long rssHighWaterMarkInBytes =
+            final int rssHighWaterMarkInKilobytes =
                     readRssHighWaterMarkFromProcfs(managedProcess.pid);
-            if (rssHighWaterMarkInBytes == 0) {
+            if (rssHighWaterMarkInKilobytes == 0) {
                 continue;
             }
             StatsLogEventWrapper e = new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
             e.writeInt(managedProcess.uid);
             e.writeString(managedProcess.processName);
-            e.writeLong(rssHighWaterMarkInBytes);
+            // RSS high-water mark in bytes.
+            e.writeLong((long) rssHighWaterMarkInKilobytes * 1024L);
+            e.writeInt(rssHighWaterMarkInKilobytes);
             pulledData.add(e);
         }
         int[] pids = getPidsForCommands(MEMORY_INTERESTING_NATIVE_PROCESSES);
@@ -1253,11 +1255,16 @@ public class StatsCompanionService extends IStatsCompanionService.Stub {
             final int pid = pids[i];
             final int uid = getUidForPid(pid);
             final String processName = readCmdlineFromProcfs(pid);
-            final long rssHighWaterMarkInBytes = readRssHighWaterMarkFromProcfs(pid);
+            final int rssHighWaterMarkInKilobytes = readRssHighWaterMarkFromProcfs(pid);
+            if (rssHighWaterMarkInKilobytes == 0) {
+                continue;
+            }
             StatsLogEventWrapper e = new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
             e.writeInt(uid);
             e.writeString(processName);
-            e.writeLong(rssHighWaterMarkInBytes);
+            // RSS high-water mark in bytes.
+            e.writeLong((long) rssHighWaterMarkInKilobytes * 1024L);
+            e.writeInt(rssHighWaterMarkInKilobytes);
             pulledData.add(e);
         }
         // Invoke rss_hwm_reset binary to reset RSS HWM counters for all processes.
diff --git a/services/tests/servicestests/src/com/android/server/am/MemoryStatUtilTest.java b/services/tests/servicestests/src/com/android/server/am/MemoryStatUtilTest.java
index 6678a7833f9a5..5ab44a8c2c3b1 100644
--- a/services/tests/servicestests/src/com/android/server/am/MemoryStatUtilTest.java
+++ b/services/tests/servicestests/src/com/android/server/am/MemoryStatUtilTest.java
@@ -302,7 +302,7 @@ public class MemoryStatUtilTest {
 
     @Test
     public void testParseVmHWMFromProcfs_parsesCorrectValue() {
-        assertEquals(137668, parseVmHWMFromProcfs(PROC_STATUS_CONTENTS) / BYTES_IN_KILOBYTE);
+        assertEquals(137668, parseVmHWMFromProcfs(PROC_STATUS_CONTENTS));
     }
 
     @Test