From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Wed, 13 Nov 2002 12:12:03 -0200 (BRST)
From: Rik van Riel <riel@conectiva.com.br>
Subject: PATCH -ac -> -rmap 5/4
Message-ID: <Pine.LNX.4.44L.0211131211040.3817-100000@imladris.surriel.com>
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Sender: owner-linux-mm@kvack.org
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To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Arjan van de Ven <arjanv@redhat.com>, linux-mm@kvack.org
List-ID: <linux-mm.kvack.org>

Hi,

this surprise patch (by arjan) adds a wmb() to the kswapd
sleep path and is needed for some reason I've forgotten
already

please apply,

Rik
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--- linux-2.4.19/mm/vmscan.c	2002-11-13 09:27:15.000000000 -0200
+++ linux-2.4-rmap/mm/vmscan.c	2002-11-13 12:10:46.000000000 -0200
@@ -848,6 +848,7 @@
 	set_current_state(TASK_UNINTERRUPTIBLE);
 	schedule_timeout(HZ / 4);
 	kswapd_overloaded = 0;
+	wmb();
 	return;
 }


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