diff --git a/libcutils/ashmem-dev.cpp b/libcutils/ashmem-dev.cpp
index 340572c..8c232f0 100644
--- a/libcutils/ashmem-dev.cpp
+++ b/libcutils/ashmem-dev.cpp
@@ -203,19 +203,23 @@
 {
     static const std::string ashmem_device_path = get_ashmem_device_path();
 
-    int ret;
-    struct stat st;
-
     if (ashmem_device_path.empty()) {
         return -1;
     }
 
     int fd = TEMP_FAILURE_RETRY(open(ashmem_device_path.c_str(), O_RDWR | O_CLOEXEC));
+
+    // fallback for APEX w/ use_vendor on Q, which would have still used /dev/ashmem
+    if (fd < 0) {
+        fd = TEMP_FAILURE_RETRY(open("/dev/ashmem", O_RDWR | O_CLOEXEC));
+    }
+
     if (fd < 0) {
         return fd;
     }
 
-    ret = TEMP_FAILURE_RETRY(fstat(fd, &st));
+    struct stat st;
+    int ret = TEMP_FAILURE_RETRY(fstat(fd, &st));
     if (ret < 0) {
         int save_errno = errno;
         close(fd);
diff --git a/liblog/event_tag_map.cpp b/liblog/event_tag_map.cpp
index 2886289..51c5e60 100644
--- a/liblog/event_tag_map.cpp
+++ b/liblog/event_tag_map.cpp
@@ -36,7 +36,6 @@
 #include <utils/FastStrcmp.h>
 #include <utils/RWLock.h>
 
-#include "log_portability.h"
 #include "logd_reader.h"
 
 #define OUT_TAG "EventTagMap"
diff --git a/liblog/fake_log_device.cpp b/liblog/fake_log_device.cpp
index af9f18b..2582cea 100644
--- a/liblog/fake_log_device.cpp
+++ b/liblog/fake_log_device.cpp
@@ -36,7 +36,6 @@
 #include <log/log_id.h>
 #include <log/logprint.h>
 
-#include "log_portability.h"
 #include "logger.h"
 
 #define kMaxTagLen 16 /* from the long-dead utils/Log.cpp */
diff --git a/liblog/fake_log_device.h b/liblog/fake_log_device.h
index a2b40e2..53f1b41 100644
--- a/liblog/fake_log_device.h
+++ b/liblog/fake_log_device.h
@@ -16,12 +16,11 @@
 
 #pragma once
 
+#include <sys/cdefs.h>
 #include <sys/types.h>
 
 #include <android/log.h>
 
-#include "log_portability.h"
-
 __BEGIN_DECLS
 
 void FakeClose();
diff --git a/liblog/log_event_list.cpp b/liblog/log_event_list.cpp
index e9f4a32..cb70d48 100644
--- a/liblog/log_event_list.cpp
+++ b/liblog/log_event_list.cpp
@@ -25,8 +25,6 @@
 #include <log/log_event_list.h>
 #include <private/android_logger.h>
 
-#include "log_portability.h"
-
 #define MAX_EVENT_PAYLOAD (LOGGER_ENTRY_MAX_PAYLOAD - sizeof(int32_t))
 
 enum ReadWriteFlag {
diff --git a/liblog/log_event_write.cpp b/liblog/log_event_write.cpp
index d04ba90..39afd0c 100644
--- a/liblog/log_event_write.cpp
+++ b/liblog/log_event_write.cpp
@@ -20,8 +20,6 @@
 #include <log/log.h>
 #include <log/log_event_list.h>
 
-#include "log_portability.h"
-
 #define MAX_SUBTAG_LEN 32
 
 int __android_log_error_write(int tag, const char* subTag, int32_t uid, const char* data,
diff --git a/liblog/log_portability.h b/liblog/log_portability.h
deleted file mode 100644
index b7279d1..0000000
--- a/liblog/log_portability.h
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
- * Copyright (C) 2016 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#pragma once
-
-#include <sys/cdefs.h>
-#include <unistd.h>
-
-/* possible missing definitions in sys/cdefs.h */
-
-/* DECLS */
-#ifndef __BEGIN_DECLS
-#if defined(__cplusplus)
-#define __BEGIN_DECLS extern "C" {
-#define __END_DECLS }
-#else
-#define __BEGIN_DECLS
-#define __END_DECLS
-#endif
-#endif
-
-/* possible missing definitions in unistd.h */
-
-#ifndef TEMP_FAILURE_RETRY
-/* Used to retry syscalls that can return EINTR. */
-#define TEMP_FAILURE_RETRY(exp)            \
-  ({                                       \
-    __typeof__(exp) _rc;                   \
-    do {                                   \
-      _rc = (exp);                         \
-    } while (_rc == -1 && errno == EINTR); \
-    _rc;                                   \
-  })
-#endif
diff --git a/liblog/log_time.cpp b/liblog/log_time.cpp
index 3ae250f..3fbe1cb 100644
--- a/liblog/log_time.cpp
+++ b/liblog/log_time.cpp
@@ -21,8 +21,6 @@
 
 #include <private/android_logger.h>
 
-#include "log_portability.h"
-
 const char log_time::default_format[] = "%m-%d %H:%M:%S.%q";
 const timespec log_time::EPOCH = {0, 0};
 
diff --git a/liblog/logd_reader.h b/liblog/logd_reader.h
index 2d032fa..68eef02 100644
--- a/liblog/logd_reader.h
+++ b/liblog/logd_reader.h
@@ -16,10 +16,10 @@
 
 #pragma once
 
+#include <sys/cdefs.h>
 #include <unistd.h>
 
 #include "log/log_read.h"
-#include "log_portability.h"
 
 __BEGIN_DECLS
 
diff --git a/liblog/logd_writer.cpp b/liblog/logd_writer.cpp
index f49c59e..67376f4 100644
--- a/liblog/logd_writer.cpp
+++ b/liblog/logd_writer.cpp
@@ -37,7 +37,6 @@
 #include <private/android_filesystem_config.h>
 #include <private/android_logger.h>
 
-#include "log_portability.h"
 #include "logger.h"
 #include "rwlock.h"
 #include "uio.h"
diff --git a/liblog/logger.h b/liblog/logger.h
index 078e778..ddff19d 100644
--- a/liblog/logger.h
+++ b/liblog/logger.h
@@ -17,10 +17,10 @@
 #pragma once
 
 #include <stdatomic.h>
+#include <sys/cdefs.h>
 
 #include <log/log.h>
 
-#include "log_portability.h"
 #include "uio.h"
 
 __BEGIN_DECLS
diff --git a/liblog/logger_name.cpp b/liblog/logger_name.cpp
index ece0550..7d676f4 100644
--- a/liblog/logger_name.cpp
+++ b/liblog/logger_name.cpp
@@ -19,8 +19,6 @@
 
 #include <log/log.h>
 
-#include "log_portability.h"
-
 /* In the future, we would like to make this list extensible */
 static const char* LOG_NAME[LOG_ID_MAX] = {
     /* clang-format off */
diff --git a/liblog/logger_read.cpp b/liblog/logger_read.cpp
index a13ab36..e0598de 100644
--- a/liblog/logger_read.cpp
+++ b/liblog/logger_read.cpp
@@ -28,7 +28,6 @@
 
 #include <android/log.h>
 
-#include "log_portability.h"
 #include "logd_reader.h"
 #include "logger.h"
 #include "pmsg_reader.h"
diff --git a/liblog/logger_write.cpp b/liblog/logger_write.cpp
index 77be581..d6ef951 100644
--- a/liblog/logger_write.cpp
+++ b/liblog/logger_write.cpp
@@ -23,10 +23,10 @@
 #include <android/set_abort_message.h>
 #endif
 
+#include <android-base/macros.h>
 #include <private/android_filesystem_config.h>
 #include <private/android_logger.h>
 
-#include "log_portability.h"
 #include "logger.h"
 #include "uio.h"
 
diff --git a/liblog/logprint.cpp b/liblog/logprint.cpp
index 4b61828..0745a1e 100644
--- a/liblog/logprint.cpp
+++ b/liblog/logprint.cpp
@@ -40,8 +40,6 @@
 #include <log/logprint.h>
 #include <private/android_logger.h>
 
-#include "log_portability.h"
-
 #define MS_PER_NSEC 1000000
 #define US_PER_NSEC 1000
 
diff --git a/liblog/pmsg_reader.h b/liblog/pmsg_reader.h
index 53746d8..b784f9f 100644
--- a/liblog/pmsg_reader.h
+++ b/liblog/pmsg_reader.h
@@ -16,10 +16,10 @@
 
 #pragma once
 
+#include <sys/cdefs.h>
 #include <unistd.h>
 
 #include "log/log_read.h"
-#include "log_portability.h"
 
 __BEGIN_DECLS
 
diff --git a/liblog/pmsg_writer.cpp b/liblog/pmsg_writer.cpp
index 319360f..06e5e04 100644
--- a/liblog/pmsg_writer.cpp
+++ b/liblog/pmsg_writer.cpp
@@ -28,7 +28,6 @@
 #include <log/log_properties.h>
 #include <private/android_logger.h>
 
-#include "log_portability.h"
 #include "logger.h"
 #include "rwlock.h"
 #include "uio.h"
diff --git a/liblog/properties.cpp b/liblog/properties.cpp
index 2e0a8c9..2b2327c 100644
--- a/liblog/properties.cpp
+++ b/liblog/properties.cpp
@@ -26,8 +26,6 @@
 
 #include <private/android_logger.h>
 
-#include "log_portability.h"
-
 static pthread_mutex_t lock_loggable = PTHREAD_MUTEX_INITIALIZER;
 
 static int lock() {
diff --git a/rootdir/init.rc b/rootdir/init.rc
index 737fffe..00053ad 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -588,7 +588,7 @@
     # profile file layout
     mkdir /data/misc/profiles 0771 system system
     mkdir /data/misc/profiles/cur 0771 system system
-    mkdir /data/misc/profiles/ref 0771 system system
+    mkdir /data/misc/profiles/ref 0770 system system
     mkdir /data/misc/profman 0770 system shell
     mkdir /data/misc/gcov 0770 root root
     mkdir /data/misc/installd 0700 root root
@@ -695,6 +695,10 @@
     mount none /data/user /data_mirror/data_ce/null bind rec
     mount none /data/user_de /data_mirror/data_de/null bind rec
 
+    # Create mirror directory for jit profiles
+    mkdir /data_mirror/cur_profiles 0700 root root
+    mount none /data/misc/profiles/cur /data_mirror/cur_profiles bind rec
+
     mkdir /data/cache 0770 system cache encryption=Require
     mkdir /data/cache/recovery 0770 system cache
     mkdir /data/cache/backup_stage 0700 system system