Merge "Incorporate slab reclaimable into meminfo" into oc-mr1-dev

am: 20fb01eb23

Change-Id: Ia6afee63376c98552c3a5a0ee249fa751c3d3603

3 files changed, 21 insertions, 11 deletions

diff --git a/core/java/android/os/Debug.java b/core/java/android/os/Debug.java
index b46c6b1620b1..017c2134f288 100644
--- a/core/java/android/os/Debug.java
+++ b/core/java/android/os/Debug.java
@@ -1748,22 +1748,26 @@ public final class Debug
     public static final int MEMINFO_SHMEM = 4;
     /** @hide */
     public static final int MEMINFO_SLAB = 5;
+     /** @hide */
+    public static final int MEMINFO_SLAB_RECLAIMABLE = 6;
+     /** @hide */
+    public static final int MEMINFO_SLAB_UNRECLAIMABLE = 7;
     /** @hide */
-    public static final int MEMINFO_SWAP_TOTAL = 6;
+    public static final int MEMINFO_SWAP_TOTAL = 8;
     /** @hide */
-    public static final int MEMINFO_SWAP_FREE = 7;
+    public static final int MEMINFO_SWAP_FREE = 9;
     /** @hide */
-    public static final int MEMINFO_ZRAM_TOTAL = 8;
+    public static final int MEMINFO_ZRAM_TOTAL = 10;
     /** @hide */
-    public static final int MEMINFO_MAPPED = 9;
+    public static final int MEMINFO_MAPPED = 11;
     /** @hide */
-    public static final int MEMINFO_VM_ALLOC_USED = 10;
+    public static final int MEMINFO_VM_ALLOC_USED = 12;
     /** @hide */
-    public static final int MEMINFO_PAGE_TABLES = 11;
+    public static final int MEMINFO_PAGE_TABLES = 13;
     /** @hide */
-    public static final int MEMINFO_KERNEL_STACK = 12;
+    public static final int MEMINFO_KERNEL_STACK = 14;
     /** @hide */
-    public static final int MEMINFO_COUNT = 13;
+    public static final int MEMINFO_COUNT = 15;
 
     /**
      * Retrieves /proc/meminfo.  outSizes is filled with fields
diff --git a/core/java/com/android/internal/util/MemInfoReader.java b/core/java/com/android/internal/util/MemInfoReader.java
index b71fa0674b4e..8d7166679b78 100644
--- a/core/java/com/android/internal/util/MemInfoReader.java
+++ b/core/java/com/android/internal/util/MemInfoReader.java
@@ -82,7 +82,7 @@ public final class MemInfoReader {
      * that are mapped in to processes.
      */
     public long getCachedSizeKb() {
-        return mInfos[Debug.MEMINFO_BUFFERS]
+        return mInfos[Debug.MEMINFO_BUFFERS] + mInfos[Debug.MEMINFO_SLAB_RECLAIMABLE]
                 + mInfos[Debug.MEMINFO_CACHED] - mInfos[Debug.MEMINFO_MAPPED];
     }
 
@@ -90,7 +90,7 @@ public final class MemInfoReader {
      * Amount of RAM that is in use by the kernel for actual allocations.
      */
     public long getKernelUsedSizeKb() {
-        return mInfos[Debug.MEMINFO_SHMEM] + mInfos[Debug.MEMINFO_SLAB]
+        return mInfos[Debug.MEMINFO_SHMEM] + mInfos[Debug.MEMINFO_SLAB_UNRECLAIMABLE]
                 + mInfos[Debug.MEMINFO_VM_ALLOC_USED] + mInfos[Debug.MEMINFO_PAGE_TABLES]
                 + mInfos[Debug.MEMINFO_KERNEL_STACK];
     }
diff --git a/core/jni/android_os_Debug.cpp b/core/jni/android_os_Debug.cpp
index a140b57268d1..e33d6eaea4dc 100644
--- a/core/jni/android_os_Debug.cpp
+++ b/core/jni/android_os_Debug.cpp
@@ -705,6 +705,8 @@ enum {
     MEMINFO_CACHED,
     MEMINFO_SHMEM,
     MEMINFO_SLAB,
+    MEMINFO_SLAB_RECLAIMABLE,
+    MEMINFO_SLAB_UNRECLAIMABLE,
     MEMINFO_SWAP_TOTAL,
     MEMINFO_SWAP_FREE,
     MEMINFO_ZRAM_TOTAL,
@@ -776,6 +778,8 @@ static void android_os_Debug_getMemInfo(JNIEnv *env, jobject clazz, jlongArray o
             "Cached:",
             "Shmem:",
             "Slab:",
+            "SReclaimable:",
+            "SUnreclaim:",
             "SwapTotal:",
             "SwapFree:",
             "ZRam:",
@@ -792,6 +796,8 @@ static void android_os_Debug_getMemInfo(JNIEnv *env, jobject clazz, jlongArray o
             7,
             6,
             5,
+            13,
+            11,
             10,
             9,
             5,
@@ -801,7 +807,7 @@ static void android_os_Debug_getMemInfo(JNIEnv *env, jobject clazz, jlongArray o
             12,
             0
     };
-    long mem[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
+    long mem[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
 
     char* p = buffer;
     while (*p && numFound < (sizeof(tagsLen) / sizeof(tagsLen[0]))) {