diff options
| -rw-r--r-- | core/jni/com_android_internal_os_Zygote.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/core/jni/com_android_internal_os_Zygote.cpp b/core/jni/com_android_internal_os_Zygote.cpp index 8d6a2800a45d..c2582203afde 100644 --- a/core/jni/com_android_internal_os_Zygote.cpp +++ b/core/jni/com_android_internal_os_Zygote.cpp @@ -908,7 +908,10 @@ static jint com_android_internal_os_Zygote_nativeForkSystemServer( } // Assign system_server to the correct memory cgroup. - if (!WriteStringToFile(StringPrintf("%d", pid), "/dev/memcg/system/tasks")) { + // Not all devices mount /dev/memcg so check for the file first + // to avoid unnecessarily printing errors and denials in the logs. + if (!access("/dev/memcg/system/tasks", F_OK) && + !WriteStringToFile(StringPrintf("%d", pid), "/dev/memcg/system/tasks")) { ALOGE("couldn't write %d to /dev/memcg/system/tasks", pid); } } |