Dipankar Sarma <[email protected]> wrote:
>
> > - if (get_nr_files() >= files_stat.max_files &&
> > - !capable(CAP_SYS_ADMIN))
> > - goto over;
> > + if (get_nr_files() >= files_stat.max_files && !capable(CAP_SYS_ADMIN)) {
> > + /*
> > + * percpu_counters are inaccurate. Do an expensive check before
> > + * we go and fail.
> > + */
> > + if (percpu_counter_sum(&nr_files) >= files_stat.max_files)
> > + goto over;
> > + }
>
> Slight optimization -
>
> if (get_nr_files() >= files_stat.max_files) {
> if (capable(CAP_SYS_ADMIN)) {
> /*
> * percpu_counters are inaccurate. Do an expensive check before
> * we go and fail.
> */
> if (percpu_counter_sum(&nr_files) >=
> files_stat.max_files)
> goto over;
> } else
> goto over;
> }
That changes the behaviour for root. Maybe you meant !capable(), but that
still changes the behaviour. I'm all confused.
-
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