Hi, On Thu Oct 31, 2013 at 16:47:38 +0800, yakijahn wrote: > Now a days I am studying the memory manage Mechanisms of fiasco kernel and > L4RE, and I have some questions: > 1) I see that when a process need some memory, a dataspace will > be invoked and MOE will retrieve pages from alloc_list as kernel mapping > sender, and attach region to region map. if process free a region of > memory , the region will be dettached from region map and link the memory > back to alloc_list, right? The problem I hold is when and how memory be > recycled when a process terminated ? Cause I didn't see system use > alloc_list :: free() function when a process had ended, in the process I > malloc() about 1 MB memory and didn't free them, but it seems that the > memory pre-allocated not been link back to alloc list, could you please > tell me when and how will system recycle these memory? If possible, please > tell me which code folders is it there.
Moe is using garbage collection to reclaim resources such as memory. Search for 'collect' in moe sources. > 2) Could you please tell me where are codes(files) that responsible for > process virtual memory space management, such as how vitual address be > assigned to a variable or pointer. Sometimes i fell to an unhandled page > fault when I free pointers, because the page fault address cant be find in > region map. The region manager is responsible to manage a task's address space. If you have an invalid pointer, isn't it likely that your program might just access some memory area it should not access? Adam -- Adam [email protected] Lackorzynski http://os.inf.tu-dresden.de/~adam/ _______________________________________________ l4-hackers mailing list [email protected] http://os.inf.tu-dresden.de/mailman/listinfo/l4-hackers
