Root casue: when do thread exit, need add free stack operation to mm_delaylist, but in SMP mode, CPU0 thread1 exit, at this time, CPU1 call malloc and free mm_delaylist. Fix: Divide mm_delaylist for per CPU in SMP mode. Change-Id: Ibf7d04614ea2f99fb5b506356b7346a0d94f0590 Signed-off-by: ligd <liguiding1@xiaomi.com>