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Date: Tue, 30 Oct 2001 13:34:50 -0200 (BRST)
From: Rik van Riel <riel@conectiva.com.br>
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To: Andrea Arcangeli <andrea@suse.de>
Cc: Benjamin LaHaise <bcrl@redhat.com>,
        Linus Torvalds <torvalds@transmeta.com>,
        "David S. Miller" <davem@redhat.com>, <linux-kernel@vger.kernel.org>
Subject: Re: please revert bogus patch to vmscan.c
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On Tue, 30 Oct 2001, Andrea Arcangeli wrote:
> On Mon, Oct 29, 2001 at 09:25:46PM -0500, Benjamin LaHaise wrote:
> > I fully well expect it to be.  However, from the point of view of stability
> > we *want* to be conservative and correct.  If Al had to demonstrate with
>
> Dave just told you what this change has to do with stability, not sure
> why you keep reiterating about stability and correctness.
>
> But of course going from page flush to the mm flush is fine from my part
> too. As Linus noted a few days ago during swapout we're going to block
> and reschedule all the time, so the range flush is going to be a noop in

Only on architectures where the TLB (or equivalent) is
small and only capable of holding entries for one address
space at a time.

It's simply not true on eg PPC.

Rik
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