From: Jamie Lokier <lkd@tantalophile.demon.co.uk>
To: Kanoj Sarcar <kanoj@google.engr.sgi.com>
Cc: Andrea Arcangeli <andrea@suse.de>,
Rik van Riel <riel@nl.linux.org>,
Alan Cox <alan@lxorguk.ukuu.org.uk>,
Linus Torvalds <torvalds@transmeta.com>,
linux-mm@kvack.org, linux-kernel@vger.rutgers.edu
Subject: Re: [RFC] 2.3.39 zone balancing
Date: Fri, 14 Jan 2000 13:25:46 +0100 [thread overview]
Message-ID: <20000114132546.A18109@pcep-jamie.cern.ch> (raw)
In-Reply-To: <200001132140.NAA27848@google.engr.sgi.com>; from Kanoj Sarcar on Thu, Jan 13, 2000 at 01:40:09PM -0800
Speaking of kswapd zone balancing. Can swap cache pages be moved from
one zone to another, or even duplicated according to need later on?
It would seem logical that when a page in the DMA zone is only held for
swap cache, it's worth copying it to the regular zone and using the copy
when the page is needed again to free up DMA pages without hitting the
disk.
I guess this sort of preemptive duplication is in a similar category to
pre-zeroing.
just a thought,
-- Jamie
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next prev parent reply other threads:[~2000-01-14 12:25 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-01-12 21:11 Kanoj Sarcar
2000-01-13 13:40 ` Rik van Riel
2000-01-13 17:06 ` Andrea Arcangeli
2000-01-13 17:18 ` Alan Cox
2000-01-13 18:37 ` Rik van Riel
2000-01-13 20:13 ` Andrea Arcangeli
2000-01-13 21:12 ` Rik van Riel
2000-01-13 21:40 ` Kanoj Sarcar
2000-01-14 12:25 ` Jamie Lokier [this message]
2000-01-14 13:43 ` Andrea Arcangeli
2000-01-13 18:52 ` Kanoj Sarcar
2000-01-13 19:59 ` Andrea Arcangeli
2000-01-13 21:02 ` Kanoj Sarcar
2000-01-13 21:34 ` Benjamin C.R. LaHaise
2000-01-13 21:48 ` Kanoj Sarcar
2000-01-13 21:42 ` Alan Cox
2000-01-13 21:50 ` Kanoj Sarcar
2000-01-13 21:53 ` Alan Cox
2000-01-13 22:01 ` Linus Torvalds
2000-01-13 22:13 ` Kanoj Sarcar
2000-01-13 22:28 ` Rik van Riel
2000-01-13 22:30 ` Linus Torvalds
2000-01-13 23:53 ` Ingo Molnar
2000-01-13 23:29 ` Linus Torvalds
2000-01-14 0:33 ` Andrea Arcangeli
2000-01-14 0:52 ` Linus Torvalds
2000-01-14 1:08 ` Rik van Riel
2000-01-14 2:13 ` Ingo Molnar
2000-01-14 1:17 ` Kanoj Sarcar
2000-01-14 2:36 ` Ingo Molnar
2000-01-14 20:33 ` Peter Rival
2000-01-14 1:13 ` Kanoj Sarcar
2000-01-14 2:27 ` Ingo Molnar
2000-01-14 2:46 ` Ingo Molnar
2000-01-14 6:22 ` Kanoj Sarcar
2000-01-15 2:03 ` Reworked 2.3.39 zone balancing - v1 Kanoj Sarcar
2000-01-14 0:28 ` [RFC] 2.3.39 zone balancing Andrea Arcangeli
2000-01-13 17:12 ` Andrea Arcangeli
2000-01-13 18:30 ` Kanoj Sarcar
2000-01-13 19:22 ` Andrea Arcangeli
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