From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Andrea Arcangeli <andrea@novell.com>
Cc: Rik van Riel <riel@redhat.com>, Andrew Morton <akpm@osdl.org>,
linux-kernel@vger.kernel.org
Subject: Re: lowmem_reserve (replaces protection)
Date: Wed, 27 Oct 2004 12:05:19 +1000 [thread overview]
Message-ID: <417F025F.5080001@yahoo.com.au> (raw)
In-Reply-To: <20041027005425.GO14325@dualathlon.random>
Andrea Arcangeli wrote:
> the per-classzone kswapd treshold was very well taken care of in 2.4,
> thanks the watermarks embedding the low/min/high and the classzone being
> passed up to the kswapd wakeup function.
>
Kswapd actually should take care of this properly: see the
initial loop before the real scanning loop.
I thought this was a bit subtle, but it seems to work fine,
and Andrew likes it.
I have a patch to explicitly have kswapd use the lower zone
protection watermarks but I haven't really demonstrated it is
better than what is currently there (other than being simpler).
next prev parent reply other threads:[~2004-10-27 2:08 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-25 17:01 lowmem_reserve (replaces protection) Andrea Arcangeli
2004-10-26 1:48 ` Rik van Riel
2004-10-26 1:58 ` Andrea Arcangeli
2004-10-26 3:48 ` Nick Piggin
2004-10-26 4:04 ` Andrea Arcangeli
2004-10-26 4:17 ` Nick Piggin
2004-10-27 0:25 ` Andrea Arcangeli
2004-10-27 0:42 ` Andrew Morton
2004-10-27 0:48 ` Andrea Arcangeli
2004-10-27 2:06 ` Nick Piggin
2004-10-28 0:26 ` Andrea Arcangeli
2004-10-27 0:31 ` Rik van Riel
2004-10-27 0:54 ` Andrea Arcangeli
2004-10-27 0:56 ` Andrea Arcangeli
2004-10-27 1:35 ` Andrea Arcangeli
2004-10-27 2:08 ` Andrew Morton
2004-10-27 2:31 ` Andrea Arcangeli
2004-10-27 2:56 ` Nick Piggin
2004-10-27 1:00 ` Rik van Riel
2004-10-27 1:10 ` Andrea Arcangeli
2004-10-27 2:05 ` Nick Piggin [this message]
2004-10-27 2:29 ` Andrea Arcangeli
2004-10-27 3:01 ` Nick Piggin
2004-10-27 3:23 ` Andrea Arcangeli
2004-10-27 3:34 ` Nick Piggin
2004-10-27 3:43 ` Andrew Morton
2004-10-27 4:44 ` Andrea Arcangeli
2004-10-27 4:51 ` Rik van Riel
2004-10-27 5:05 ` Andrea Arcangeli
2004-10-27 5:50 ` Nick Piggin
2004-10-27 5:33 ` Andrew Morton
2004-10-27 6:11 ` Andrea Arcangeli
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