Re: [PATCH 01/15] sched: make nr_running() return "unsigned int"

[Alexey Dobriyan]

On Mon, Apr 20, 2020 at 02:05:57PM -0700, Matthew Wilcox wrote:
> On Mon, Apr 20, 2020 at 11:57:29PM +0300, Alexey Dobriyan wrote:
> > I don't anyone have been crazy enough to spawn 2^32 threads.
> > It'd require absurd amounts of physical memory,  and bump into futex pid
> > limit anyway.
> > 
> > Meanwhile save few bits on REX prefixes and some stack space for upcoming
> > print_integer() stuff.
> > 
> > And remove "extern" from prototypes while I'm at it.
> 
> It seems like there's a few more places to fix in this regard?
> 
> kernel/sched/fair.c:static u64 __sched_period(unsigned long nr_running)
> kernel/sched/sched.h:   unsigned long           dl_nr_running;
> kernel/sched/core.c:unsigned long nr_iowait_cpu(int cpu)
> kernel/sched/core.c:unsigned long nr_iowait(void)
> kernel/sched/loadavg.c: long nr_active, delta = 0;
> kernel/sched/sched.h:   unsigned long           rt_nr_migratory;
> kernel/sched/sched.h:   unsigned long           rt_nr_total;
> kernel/sched/sched.h:   unsigned long           rt_nr_boosted;
> kernel/sched/sched.h:   unsigned long           dl_nr_running;
> kernel/sched/sched.h:   unsigned long           dl_nr_migratory;
> kernel/sched/sched.h:   unsigned long           nr_uninterruptible;

Sure. I changed nr_running() and nr_iowait() because they're in format
strings in /proc as %lu.