Re: CVS commit: src/external/bsd/mdocml/dist

2009-11-08 Thread Joerg Sonnenberger
On Sat, Nov 07, 2009 at 02:52:02AM +, Christos Zoulas wrote:
> In article <20091106183619.ga2...@britannica.bec.de>,
> Joerg Sonnenberger   wrote:
> >On Fri, Nov 06, 2009 at 04:53:58PM +, Christos Zoulas wrote:
> >> >- portability: warnx -> fprintf/perror
> >> 
> >> This change is backwards;
> >> we should not be using perror/fprintf but warn/warnx.
> >
> >I disagree. They are not portable. Many platforms don't have them.
> >Some other platforms have functions of the same name, but with different
> >behavior (OS X).
> 
> It should autoconf them.

PR 38488.

Joerg


Re: CVS commit: src

2009-11-08 Thread Mindaugas Rasiukevicius
y...@mwd.biglobe.ne.jp (YAMAMOTO Takashi) wrote:
> > Not sure what do you mean by leak.  The first page is unmapped and uarea
> > layout in x86 has not changed (yet).  Probably I am missing something?
> 
> the page in question used to be hanged on the kernel aobj.
> now you made it wired and there's no way to reach it once unmapped.

Not sure what "hanged on the kernel aobj" means. :) But I see the problem.
By wired you mean mapping is unmanaged now, therefore redzone page unmap
loses the track of physical page, and thus it gets leaked.

I wonder what would be a good way to fix this.  Perhaps allocate VA and
manually enter physical pages (leaving the gap for redzone)?  Would get a
little bit more complex (as for diagnostic case).  On the other hand, I
think it would be good to setup redzone at MI level, instead of strictly
keeping it MD.

Also, is there a reason to have x86 uarea layout different from other ports?

Thanks a lot for reviewing this!

-- 
Mindaugas