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Message-Id: <1189748718.5133.23.camel@roc-desktop>
Date: Fri, 14 Sep 2007 13:45:18 +0800
From: Bryan Wu <bryan.wu@...log.com>
To: Bernd Schmidt <bernds_cb1@...nline.de>
Cc: bryan.wu@...log.com, Mike Frysinger <vapier.adi@...il.com>,
bernd.schmidt@...log.com, linux-arch@...r.kernel.org,
Matthew Wilcox <matthew@....cx>,
Linux Kernel <linux-kernel@...r.kernel.org>,
Paul Mundt <lethal@...ux-sh.org>,
uclinux-dist-devel@...ckfin.uclinux.org,
Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [Uclinux-dist-devel] Re: [PATCH] Blackfin arch: add some
missing syscall
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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