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Date: Tue, 20 Mar 2001 01:37:15 -0300 (BRST)
From: Rik van Riel <riel@conectiva.com.br>
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To: Linus Torvalds <torvalds@transmeta.com>
Cc: Manfred Spraul <manfred@colorfullife.com>, <linux-kernel@vger.kernel.org>
Subject: Re: 3rd version of R/W mmap_sem patch available
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On Mon, 19 Mar 2001, Linus Torvalds wrote:
> On Mon, 19 Mar 2001, Linus Torvalds wrote:
> >
> > Excellent point. We used to do all the looping and re-trying, but it got
> > ripped out a long time ago (and in any case, it historically didn't do
> > SMP, so the old code doesn't really work).
>
> Actually, funnily enough, I see that the old thread-safe stuff is still
> there in get_pte_kernel_slow(). The only thing that breaks it is that we
> don't hold any locks, so it's only UP-safe, not SMP-safe.
>
> However, it definitely looks like we should just un-inline that thing
> completely, and make a lot of it architecture-independent anyway.

Also, because lots of architectures seem to have exactly
the same code, we might as well remove the duplicates and
put them in the same place...

regards,

Rik
--
Linux MM bugzilla: http://linux-mm.org/bugzilla.shtml

Virtual memory is like a game you can't win;
However, without VM there's truly nothing to lose...

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