From: William Lee Irwin III <wli@holomorphy.com>
To: Andrea Arcangeli <andrea@suse.de>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>,
Takashi Iwai <tiwai@suse.de>, Andi Kleen <ak@suse.de>,
ak@muc.de, tripperda@nvidia.com, discuss@x86-64.org,
linux-kernel@vger.kernel.org
Subject: Re: [discuss] Re: 32-bit dma allocations on 64-bit platforms
Date: Thu, 24 Jun 2004 09:56:29 -0700 [thread overview]
Message-ID: <20040624165629.GG21066@holomorphy.com> (raw)
In-Reply-To: <20040624165200.GM30687@dualathlon.random>
On Fri, Jun 25, 2004 at 01:48:47AM +1000, Nick Piggin wrote:
>> 2.6 has the "incremental min" thing. What is wrong with that?
>> Though I think it is turned off by default.
On Thu, Jun 24, 2004 at 06:52:01PM +0200, Andrea Arcangeli wrote:
> sysctl_lower_zone_protection is an inferior implementation of the
> lower_zone_reserve_ratio, inferior because it has no way to give a
> different balance to each zone. As you said it's turned off by default
> so it had no tuning. The lower_zone_reserve_ratio has already been
> tuned in 2.4. Somebody can attempt a conversion but it'll never be equal
> since lower_zone_reserve_ratio is a superset of what
> sysctl_lower_zone_protection can do.
Is there any chance you could send in thise improved implementation of
zone fallback watermarks and describe the deficiencies in the current
scheme that it corrects?
Thanks.
-- wli
next prev parent reply other threads:[~2004-06-24 16:56 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <m3acyu6pwd.fsf@averell.firstfloor.org>
[not found] ` <20040623213643.GB32456@hygelac>
2004-06-23 23:46 ` 32-bit dma allocations on 64-bit platforms Andi Kleen
2004-06-24 11:13 ` Takashi Iwai
2004-06-24 11:29 ` [discuss] " Andi Kleen
2004-06-24 14:36 ` Takashi Iwai
2004-06-24 14:42 ` Andi Kleen
2004-06-24 14:58 ` Takashi Iwai
2004-06-24 15:29 ` Andrea Arcangeli
2004-06-24 15:48 ` Nick Piggin
2004-06-24 16:52 ` Andrea Arcangeli
2004-06-24 16:56 ` William Lee Irwin III [this message]
2004-06-24 17:32 ` Andrea Arcangeli
2004-06-24 17:38 ` William Lee Irwin III
2004-06-24 18:02 ` Andrea Arcangeli
2004-06-24 18:13 ` William Lee Irwin III
2004-06-24 18:27 ` Andrea Arcangeli
2004-06-24 18:50 ` William Lee Irwin III
2004-06-24 21:54 ` Andrew Morton
2004-06-24 22:08 ` William Lee Irwin III
2004-06-24 22:45 ` Andrea Arcangeli
2004-06-24 22:51 ` William Lee Irwin III
2004-06-24 23:09 ` Andrew Morton
2004-06-24 23:15 ` William Lee Irwin III
2004-06-25 6:16 ` William Lee Irwin III
2004-06-25 2:39 ` Andrea Arcangeli
2004-06-25 2:47 ` Andrew Morton
2004-06-25 3:19 ` Andrea Arcangeli
2004-06-24 22:11 ` Andrew Morton
2004-06-24 23:09 ` Andrea Arcangeli
2004-06-25 1:17 ` Nick Piggin
2004-06-25 3:11 ` Andrea Arcangeli
2004-06-24 22:21 ` Andrea Arcangeli
2004-06-24 22:36 ` Andrew Morton
2004-06-24 23:15 ` Andrea Arcangeli
2004-06-24 22:37 ` William Lee Irwin III
2004-06-24 22:40 ` William Lee Irwin III
2004-06-24 23:21 ` Andrea Arcangeli
2004-06-24 23:45 ` William Lee Irwin III
2004-06-24 17:39 ` Andrea Arcangeli
2004-06-24 17:53 ` William Lee Irwin III
2004-06-24 18:07 ` Andrea Arcangeli
2004-06-24 18:29 ` William Lee Irwin III
2004-06-24 16:04 ` Takashi Iwai
2004-06-24 17:16 ` Andrea Arcangeli
2004-06-24 18:33 ` Takashi Iwai
2004-06-24 18:44 ` Andrea Arcangeli
2004-06-25 15:50 ` Takashi Iwai
2004-06-25 17:30 ` Andrea Arcangeli
2004-06-25 17:39 ` Takashi Iwai
2004-06-25 17:45 ` Andrea Arcangeli
2004-06-24 14:45 ` Terence Ripperda
2004-06-24 15:41 ` Andrea Arcangeli
2004-06-24 15:44 ` Terence Ripperda
2004-06-24 16:15 ` [discuss] " Andi Kleen
2004-06-24 17:22 ` Andrea Arcangeli
2004-06-24 22:28 ` Terence Ripperda
2004-06-24 18:51 ` Andi Kleen
2004-06-26 4:58 ` David Mosberger
2004-06-24 13:48 Jesse Barnes
2004-06-24 14:39 ` Terence Ripperda
2004-06-24 15:01 ` [discuss] " Andi Kleen
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