On Fri, Nov 19, 2010 at 6:32 PM, Tejun Heo <tj@xxxxxxxxxx> wrote:
> On 11/19/2010 05:27 PM, Alexey Dobriyan wrote:
>> On Fri, Nov 19, 2010 at 6:19 PM, Tejun Heo <tj@xxxxxxxxxx> wrote:
>>>> The paragon of absurdity is struct task_struct::did_exec .
>>>
>>> Yeah, then go and figure how to do that in a way which would be useful
>>> for other purposes too instead of trying to shove the whole
>>> checkpointer inside the kernel. It sure would be harder but hey
>>> that's the way it is.
>>
>> System call for one bit? This is ridiculous.
>
> Why not just a flag in proc entry? It's a frigging single bit.
Because /proc/*/did_exec useless to anyone but C/R (even for reading!).
Because code is much simpler:
tsk->did_exec = !!tsk_img->did_exec;
+
__u8 did_exec;
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