On Tue, 26 Aug 2014, Oleg Nesterov wrote:
> do_shmat() is the only user of ->start_stack (proc just reports its
> value), and this check looks ugly and wrong.
>
> The reason for this check is not clear at all, and it wrongly assumes
> that the stack can only grow down.
>
> But the main problem i
do_shmat() is the only user of ->start_stack (proc just reports its
value), and this check looks ugly and wrong.
The reason for this check is not clear at all, and it wrongly assumes
that the stack can only grow down.
But the main problem is that in general mm->start_stack has nothing
to do with
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