diff --git a/cmds/installd/installd.c b/cmds/installd/installd.c
index a2cbccc..f52cee0 100644
--- a/cmds/installd/installd.c
+++ b/cmds/installd/installd.c
@@ -16,6 +16,8 @@
 
 #include <sys/capability.h>
 #include <linux/prctl.h>
+#include <selinux/android.h>
+#include <selinux/avc.h>
 
 #include "installd.h"
 
@@ -526,6 +528,7 @@
     struct sockaddr addr;
     socklen_t alen;
     int lsocket, s, count;
+    int selinux_enabled = (is_selinux_enabled() > 0);
 
     ALOGI("installd firing up\n");
 
@@ -539,6 +542,11 @@
         exit(1);
     }
 
+    if (selinux_enabled && selinux_status_open(true) < 0) {
+        ALOGE("Could not open selinux status; exiting.\n");
+        exit(1);
+    }
+
     drop_privileges();
 
     lsocket = android_get_control_socket(SOCKET_PATH);
@@ -577,6 +585,9 @@
                 break;
             }
             buf[count] = 0;
+            if (selinux_enabled && selinux_status_updated() > 0) {
+                selinux_android_seapp_context_reload();
+            }
             if (execute(s, buf)) break;
         }
         ALOGI("closing connection\n");
diff --git a/libs/binder/MemoryHeapBase.cpp b/libs/binder/MemoryHeapBase.cpp
index d1cbf1c..43a01e4 100644
--- a/libs/binder/MemoryHeapBase.cpp
+++ b/libs/binder/MemoryHeapBase.cpp
@@ -31,11 +31,6 @@
 
 #include <binder/MemoryHeapBase.h>
 
-#ifdef HAVE_ANDROID_OS
-#include <linux/android_pmem.h>
-#endif
-
-
 namespace android {
 
 // ---------------------------------------------------------------------------
@@ -108,18 +103,9 @@
 {
     if (size == 0) {
         // try to figure out the size automatically
-#ifdef HAVE_ANDROID_OS
-        // first try the PMEM ioctl
-        pmem_region reg;
-        int err = ioctl(fd, PMEM_GET_TOTAL_SIZE, &reg);
-        if (err == 0)
-            size = reg.len;
-#endif
-        if (size == 0) { // try fstat
-            struct stat sb;
-            if (fstat(fd, &sb) == 0)
-                size = sb.st_size;
-        }
+        struct stat sb;
+        if (fstat(fd, &sb) == 0)
+            size = sb.st_size;
         // if it didn't work, let mmap() fail.
     }