From: kanoj@google.engr.sgi.com (Kanoj Sarcar)
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Andrea Arcangeli <andrea@suse.de>,
Rik van Riel <riel@nl.linux.org>,
torvalds@transmeta.com, mingo@chiara.csoma.elte.hu,
linux-mm@kvack.org, linux-kernel@vger.rutgers.edu
Subject: Re: [RFC] 2.3.39 zone balancing
Date: Thu, 13 Jan 2000 13:50:53 -0800 (PST) [thread overview]
Message-ID: <200001132150.NAA28314@google.engr.sgi.com> (raw)
In-Reply-To: <E128s14-0008DB-00@the-village.bc.nu> from "Alan Cox" at Jan 13, 2000 09:42:49 PM
>
> > doc. If you have a large number of free regular pages, and the dma
> > zone is completely exhausted, the 2.2 decision of balacing the dma
> > zone might never fetch an "yes" answer, because it is based on total
> > number of free pages, not also the per zone free pages. Right? Things
> > will get worse the more non-dma pages there are.
>
> We might not make good choices to free ISA DMA pages, you are correct yes
And given a huge enough HIGHMEM zone, we might not make good choices to free
regular memory too, right?
My patch would fix this problem. I am going to make the patch bigger to
fix kswapd too, then put it out in the next few hours.
Kanoj
>
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next prev parent reply other threads:[~2000-01-13 21:50 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
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 [this message]
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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