From: Andrew Morton <akpm@digeo.com>
To: jamesclv@us.ibm.com
Cc: Andrea Arcangeli <andrea@suse.de>, linux-kernel@vger.kernel.org
Subject: Re: Kswapd madness in 2.4 kernels
Date: Thu, 24 Oct 2002 21:32:01 -0700 [thread overview]
Message-ID: <3DB8C941.DEF1C069@digeo.com> (raw)
In-Reply-To: 200210242026.13071.jamesclv@us.ibm.com
James Cleverdon wrote:
>
> Andrea_Archangeli-inode_highmem_imbalance.patch Type: text/x-diff
That's in -aa kernels, is correct and is needed.
> Andrew_Morton-2.4_VM_sucks._Again.patch Type: text/x-diff
hmm. Someone seems to have renamed my nuke-buffers patch ;)
My main concern is that this was a real quickie; it does a very
aggressive takedown of buffer_heads. Andrea's kernels contain a
patch which takes a very different approach. See
http://www.kernel.org/pub/linux/kernel/people/andrea/kernels/v2.4/2.4.20pre8aa2/05_vm_16_active_free_zone_bhs-1
I don't think anyone has tried that patch in isolation though...
If nuke-buffers passes testing and doesn't impact performance then
fine. A more cautious approach would be to use the active_free_zone_bhs
patch. If that proves inadequate then add in the "read" part of nuke-buffers.
That means dropping the fs/buffer.c part.
next prev parent reply other threads:[~2002-10-25 4:25 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-25 3:26 Kswapd madness in 2.4 kernels James Cleverdon
2002-10-25 4:32 ` Andrew Morton [this message]
2002-11-05 22:13 ` James Cleverdon
2002-11-06 11:11 ` Andrea Arcangeli
2002-11-06 13:18 ` Marcelo Tosatti
2002-11-06 16:40 ` Andrea Arcangeli
2002-10-25 16:57 ` Rik van Riel
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