Re: [PATCH] remove name length check in a workqueue

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Ingo Molnar <[email protected]> wrote:
>
> 
> yeah ... cannot remember why i have done it originally :-|
> 

Might it be to do with sizeof(task_struct.comm)?

> 
> On Wed, 10 Aug 2005, James Bottomley wrote:
> 
> > Ingo,
> > 
> > This has been in the workqueue code in day one, for no real reason that
> > I can see.  We just tripped over it in SCSI because the fibre channel
> > transport class creates one workqueue per host with the name scsi_wq_%d
> > which trips this after we get to 100.  Unfortunately we just came across
> > someone with > 100 host adapters ...
> > 
> > I think the solution is just to get rid of the artificial limit.
> > 
> > James
> > 
> > diff --git a/kernel/workqueue.c b/kernel/workqueue.c
> > --- a/kernel/workqueue.c
> > +++ b/kernel/workqueue.c
> > @@ -308,8 +308,6 @@ struct workqueue_struct *__create_workqu
> >  	struct workqueue_struct *wq;
> >  	struct task_struct *p;
> >  
> > -	BUG_ON(strlen(name) > 10);
> > -
> >  	wq = kmalloc(sizeof(*wq), GFP_KERNEL);
> >  	if (!wq)
> >  		return NULL;
> > 
> > 
-
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