From: Rik van Riel <riel@nl.linux.org>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Kanoj Sarcar <kanoj@google.engr.sgi.com>,
torvalds@transmeta.com, mingo@chiara.csoma.elte.hu,
andrea@suse.de, linux-mm@kvack.org,
linux-kernel@vger.rutgers.edu
Subject: Re: [RFC] 2.3.39 zone balancing
Date: Thu, 13 Jan 2000 19:37:18 +0100 (CET) [thread overview]
Message-ID: <Pine.LNX.4.10.10001131936040.13454-100000@mirkwood.dummy.home> (raw)
In-Reply-To: <E128ntG-0007sV-00@the-village.bc.nu>
On Thu, 13 Jan 2000, Alan Cox wrote:
> > I think that busier machines probably have a larger need
> > for DMA memory than this code fragment will give us. I
> > have the gut feeling that we'll want to keep about 512kB
> > or more free in the lower 16MB of busy machines...
>
> 2.2.x uses a simple algorithm. Normally allocations come from the
> main pool if it fails we use the DMA pool. That seems to work just
> fine.
Of course, I should have thought of that.
Our `high-to-low' allocation strategy should make
sure that the free pages `propagate down'...
Now we'll only want to build something into kswapd
so that rebalancing the high memory zones is done in
the background.
regards,
Rik
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next prev parent reply other threads:[~2000-01-13 18:37 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 [this message]
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
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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