Subject: Re: [Uclinux-dist-devel] Re: [PATCH] Blackfin arch: add some
	missing syscall
From: Bryan Wu <bryan.wu@analog.com>
Reply-To: bryan.wu@analog.com
To: Bernd Schmidt <bernds_cb1@t-online.de>
Cc: bryan.wu@analog.com, Mike Frysinger <vapier.adi@gmail.com>,
       bernd.schmidt@analog.com, linux-arch@vger.kernel.org,
       Matthew Wilcox <matthew@wil.cx>,
       Linux Kernel <linux-kernel@vger.kernel.org>,
       Paul Mundt <lethal@linux-sh.org>,
       uclinux-dist-devel@blackfin.uclinux.org,
       Andrew Morton <akpm@linux-foundation.org>
In-Reply-To: <46E918FD.3070607@t-online.de>
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Date: Fri, 14 Sep 2007 13:45:18 +0800
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On Thu, 2007-09-13 at 13:03 +0200, Bernd Schmidt wrote:
> Bryan Wu wrote:
> >>> but mremap doesn't -- there's even an implementation in mm/nommu.c.
> >>> Could you check the rest of these over to see if they truly don't need
> >>> to be implemented for no-mmu?
> >> you're right we want mremap, my fault
> >>
> > 
> > Yes, I do think so, both sys_mremap and sys_munmap are implemented in
> > mm/nommu.c. How do think of this, Bernd?
> 
> There's a mremap in nommu.c, but it doesn't do a lot that is useful. 
> With some further mm changes in our tree, it's little more than a fancy 
> way of saying munmap, and uClibc does not use it, so there's no 
> compelling need to have it in userspace.
> 

Make sense. So currently Blackfin uClinux use the mremap/munmap in
uClibc?

Thanks
-Bryan
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