Re: Bug: fio traps into kernel without exiting because futex has adeadloop

[Zhang, Yanmin]

On Mon, 2009-06-15 at 09:57 +0200, Thomas Gleixner wrote:
> On Mon, 15 Jun 2009, Zhang, Yanmin wrote:
> > > +	ret = get_user_pages_fast(addr, 1, 1, &page);
> >
> > I checked function ïget_user_pages_fast. It might return negative, 0, or
> > positive value. 0 means it doesn't pin any page. So why does below statement
> > use (!ret) to put_page?
> 
> Hmm, darn. You are right. It needs to be (ret > 0)
I tested (ret > 0). It does work and I didn't find memory leak.


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