lkml.org 
[lkml]   [2007]   [Jul]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] make schedule_on_each_cpu() look like on_each_cpu()
On 07/26, Oleg Nesterov wrote:
>
> On 07/26, Peter Zijlstra wrote:
> >
> > -int schedule_on_each_cpu(work_func_t func)
> > +int schedule_on_each_cpu(void (*func)(void *info), void *info, int retry, int wait)
> > {
> > int cpu;
> > - struct work_struct *works;
> > + struct schedule_on_each_cpu_work **works;
> > + int err = 0;
> >
> > - works = alloc_percpu(struct work_struct);
> > + works = kzalloc(sizeof(void *)*nr_cpu_ids, GFP_KERNEL);
>
> Not a comment, but a question: why do we need nr_cpu_ids at all?
> num_possible_cpus() looks more "correct" if cpu_possible_map has
> holes (not sure this can happen in practice).

OOPS, I am stupid, please ignore. Of course, we need the highest CPU
number, not num_possible_cpus().

Oleg.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-07-26 20:33    [W:0.228 / U:0.120 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site