From: "David S. Miller" <davem@redhat.com>
To: hugh@veritas.com
Cc: akpm@digeo.com, dmccr@us.ibm.com, riel@conectiva.com.br,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] flush_cache_page while pte valid
Date: Tue, 12 Nov 2002 13:51:47 -0800 (PST) [thread overview]
Message-ID: <20021112.135147.21135668.davem@redhat.com> (raw)
In-Reply-To: <Pine.LNX.4.44.0211121732170.1187-100000@localhost.localdomain>
From: Hugh Dickins <hugh@veritas.com>
Date: Tue, 12 Nov 2002 17:43:40 +0000 (GMT)
Sorry, I still don't get it. If the flush_cache_page is doing something
necessary, then won't a user access in between it and invalidating pte
undo what was necessary? And if it's not necessary, why do we do it?
(For better performance would be a very good reason.)
If there are other writable mappings of the page, we can't swap
it out legally.
next prev parent reply other threads:[~2002-11-12 21:47 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-11-11 18:25 Hugh Dickins
2002-11-11 18:35 ` Andrew Morton
2002-11-11 23:19 ` David S. Miller
2002-11-11 23:34 ` [PATCH] [RFC] increase MAX_ADDR_LEN Roland Dreier
2002-11-11 23:38 ` David S. Miller
2002-11-11 23:58 ` Roland Dreier
2002-11-12 0:18 ` Alan Cox
2002-11-12 0:01 ` Roland Dreier
2002-11-12 14:23 ` Alan Cox
2002-11-12 14:20 ` Folkert van Heusden
2002-11-12 15:14 ` Roland Dreier
2002-11-12 16:00 ` Alan Cox
2002-11-12 15:50 ` YOSHIFUJI Hideaki / 吉藤英明
2002-11-12 20:36 ` Roland Dreier
2002-11-12 22:31 ` David S. Miller
2002-11-12 22:39 ` Roland Dreier
2002-12-04 18:31 ` rtnetlink replacement for SIOCSIFHWADDR Roland Dreier
2002-12-04 20:11 ` Andi Kleen
2002-12-31 23:11 ` [PATCH] increase MAX_ADDR_LEN Roland Dreier
2003-01-06 15:52 ` [PATCH] increase MAX_ADDR_LEN (resend) Roland Dreier
2003-01-06 23:29 ` David S. Miller
2003-01-07 8:58 ` [PATCH] increase MAX_ADDR_LEN David S. Miller
2002-11-12 6:53 ` [PATCH] flush_cache_page while pte valid Hugh Dickins
2002-11-12 6:53 ` David S. Miller
2002-11-12 14:49 ` Rik van Riel
2002-11-12 21:45 ` David S. Miller
2002-11-12 17:43 ` Hugh Dickins
2002-11-12 21:51 ` David S. Miller [this message]
2002-11-12 22:59 ` Hugh Dickins
2002-11-11 21:20 Manfred Spraul
2002-11-12 0:37 ` Russell King
2002-11-12 1:08 Ulrich Weigand
2002-11-12 20:53 Manfred Spraul
2002-11-12 22:01 ` David S. Miller
2002-11-12 21:32 Ulrich Weigand
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