Re: Fwd: [PATCH] kretprobe instance recycled by parent process

[bibo mao]

Zhou Yingchao wrote:
> 2006/2/15, bibo mao <bibo_mao@xxxxxxxxxxxxxxx>:
> > When kretprobe probe schedule() function, if probed process exit then
> > schedule() function will never return, so some kretprobe instance will
> > never be recycled. By this patch the parent process will recycle
> > retprobe instance of probed function, there will be no memory leak of
> > kretprobe instance. This patch is based on 2.6.16-rc3.
>
> Is there any process which can exit without go through the do_exit() path?
> --
When process exits through do_exit() function, it will call schedule() 
function. But if schedule() function is probed by kretprobe, this time 
schedule() function will not return never because process has exited.

bibo,mao
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