On 14/02/20, Oleg Nesterov wrote:
> On 01/23, Richard Guy Briggs wrote:
> >
> > static inline int is_global_init(struct task_struct *tsk)
> > {
> > - return tsk->pid == 1;
> > + return task_pid_nr(tsk) == 1;
> > }
>
> ACK, but we need to fix it.
>
> With or without this change is_global_init() actually means
> is-the-main-thread-of-global-init.
>
> This is not what the callers actually want. Just look at
> oom_unkillable_task(). Suppose that p is the sub-thread of
> /sbin/init, if we kill this thread we kill the whole process.
>
> The same of other callers. is_global_init() should return T
> if this task is the part of init's thread group.
Good. Updated in my tree.
> Oleg.
- RGB
--
Richard Guy Briggs <[email protected]>
Senior Software Engineer, Kernel Security, AMER ENG Base Operating Systems, Red
Hat
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