高通8550安卓设备上没有 /dev/membuf

[如听仙乐耳暂明-kh]

01-19 18:13:41.787908  6173  6173 E LIBVMMEM: Unable to open /dev/membuferrno:2     <======   设备上没有 /dev/membuf
01-19 18:13:41.787912  6173  6173 E SDM     : MemBufImplV2::Init: Create Vm memory failed
01-19 18:13:41.787914  6173  6173 E SDM     : MemBufImplV2::GetInstance: Init failed!! -12
01-19 18:13:41.787918  6173  6173 E SDM     : MemBufImplV1::Init: Mem buf device  open fails!!
01-19 18:13:41.787919  6173  6173 E SDM     : MemBufImplV1::GetInstance: Init failed!! -22
01-19 18:13:41.787920  6173  6173 E SDM     : IPCImpl::Init: GetMemBuf failed!! -12