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SubjectRe: [PATCH] no RLIMIT_NPROC for root, please
> On Tue, 28 Nov 2000, Jan Rekorajski wrote:
> > --- linux/kernel/fork.c~ Tue Sep 5 23:48:59 2000
> > +++ linux/kernel/fork.c Sun Nov 26 20:22:20 2000
> > @@ -560,7 +560,8 @@
> > *p = *current;
> >
> > retval = -EAGAIN;
> > - if (atomic_read(&p->user->processes) >= p->rlim[RLIMIT_NPROC].rlim_cur)
> > + if (p->user->uid &&
> > + (atomic_read(&p->user->processes) >= p->rlim[RLIMIT_NPROC].rlim_cur))
>

On a totally unrelated to the resourcesnote, for your benefit, Jan:

the ->user->uid is maintained for a reason completely different from your
usage above (see kernel/user.c to learn why -- it is to easily find out
given user_struct which real uid it belongs to in uid_hash_find()). If you
wanted this process' uid you should have used p->uid. If you wanted this
process' effective uid (more likely) then you should have used p->euid.

Regards,
Tigran

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