GUIDINGLI commented on a change in pull request #4759:
URL: https://github.com/apache/incubator-nuttx/pull/4759#discussion_r745409397



##########
File path: sched/irq/irq_dispatch.c
##########
@@ -184,6 +185,14 @@ void irq_dispatch(int irq, FAR void *context)
   sched_note_irqhandler(irq, vector, false);
 #endif
 
+#ifdef CONFIG_DEBUG_MM
+  if ((g_running_tasks[this_cpu()]->flags & TCB_FLAG_MEM_CHECK) || \
+       (this_task()->flags & TCB_FLAG_MEM_CHECK))
+    {
+      kmm_checkcorruption();

Review comment:
       @Ouss4 But this is useful for debugging, if all the thread set 
TCB_FLAG_MEM_CHECK to flags, then once someone overwrite the memblock, then we 
can catch it immediately.




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