On (12/31/15 19:08), Serge E. Hallyn wrote:
> > re-upping
> > https://www.redhat.com/archives/linux-audit/2013-December/msg00086.html
> >
> > Oleg Nesterov wrote:
> >
> > :Because is_global_init() is only true for the main thread of /sbin/init.
> > :
> > :Just look at oom_unkillable_task(). It tries to not kill init. But, say,
> > :select_bad_process() can happily find a sub-thread of is_global_init()
> > :and still kill it.
> >
> > this is still the case, isn't it? at least in some -stable kernels.
> > is there (or was there) any reason this change has never been committed?
> > (I'm particularly interested in is_global_init()).
>
> ... seems like it makes sense. Can you remind us which init you're having
> to deal with?
>
systemd
-ss
> > static inline int is_global_init(struct task_struct *tsk)
> > {
> > - return tsk->pid == 1;
> > + return task_tgid_nr(tsk) == 1;
> > }
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