From: Dirk <dirkw@rentec.com>
To: Marcelo Tosatti <marcelo@conectiva.com.br>
Cc: lkml <linux-kernel@vger.kernel.org>,
Rik van Riel <riel@conectiva.com.br>,
Mike Galbraith <mikeg@wen-online.de>,
linux-mm@kvack.org, "Stephen C. Tweedie" <sct@redhat.com>
Subject: Re: [PATCH] Separate global/perzone inactive/free shortage
Date: Sat, 14 Jul 2001 16:13:33 -0400 [thread overview]
Message-ID: <3B50A7ED.7A8A1BF0@rentec.com> (raw)
In-Reply-To: <Pine.LNX.4.21.0107140204110.4153-100000@freak.distro.conectiva>
Marcelo Tosatti wrote:
> Hi,
>
> As well known, the VM does not make a distiction between global and
> per-zone shortages when trying to free memory. That means if only a given
> memory zone is under shortage, the kernel will scan pages from all zones.
>
> The following patch (against 2.4.6-ac2), changes the kernel behaviour to
> avoid freeing pages from zones which do not have an inactive and/or
> free shortage.
>
> Now I'm able to run memory hogs allocating 4GB of memory (on 4GB machine)
> without getting real long hangs on my ssh session. (which used to happen
> on stock -ac2 due to exhaustion of DMA pages for networking).
>
> Comments ?
>
> Dirk, Can you please try the patch and tell us if it fixes your problem ?
>
great!! that is definitely better, the machine talks to me again. there are some
small "but"s. however. i write them up and let you know.
~dirkw
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next prev parent reply other threads:[~2001-07-14 20:13 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-07-14 5:19 Marcelo Tosatti
2001-07-14 7:11 ` Marcelo Tosatti
2001-07-14 20:13 ` Dirk [this message]
[not found] ` <Pine.LNX.4.33.0107141023440.283-100000@mikeg.weiden.de>
2001-07-16 13:19 ` Stephen C. Tweedie
2001-07-16 15:44 ` Mike Galbraith
2001-07-16 18:30 ` Stephen C. Tweedie
2001-07-17 2:55 ` Mike Galbraith
2001-07-16 18:42 ` Dirk Wetter
2001-07-16 15:51 ` Kanoj Sarcar
2001-07-16 19:00 ` Rik van Riel
2001-07-17 0:27 ` Marcelo Tosatti
2001-07-17 2:07 ` Kanoj Sarcar
2001-07-17 0:01 ` Marcelo Tosatti
2001-07-16 13:56 Bulent Abali
2001-07-16 15:56 ` Stephen C. Tweedie
2001-07-16 19:04 ` Rik van Riel
2001-07-18 8:54 ` Mike Galbraith
2001-07-18 10:18 ` Stephen C. Tweedie
2001-07-18 14:51 ` Mike Galbraith
2001-07-18 15:07 ` Dave McCracken
2001-07-18 16:09 ` Rik van Riel
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