From: Arjan van de Ven <arjanv@redhat.com>
To: "Jörn Engel" <joern@wohnheim.fh-wedel.de>
Cc: Linus Torvalds <torvalds@osdl.org>,
Nick Piggin <nickpiggin@yahoo.com.au>,
"David S. Miller" <davem@davemloft.net>,
akpm@osdl.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC][PATCH 0/3] beat kswapd with the proverbial clue-bat
Date: Wed, 15 Sep 2004 15:39:39 +0200 [thread overview]
Message-ID: <20040915133939.GC30530@devserv.devel.redhat.com> (raw)
In-Reply-To: <20040915133408.GB6158@wohnheim.fh-wedel.de>
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On Wed, Sep 15, 2004 at 03:34:08PM +0200, Jörn Engel wrote:
> On Wed, 15 September 2004 15:29:04 +0200, Arjan van de Ven wrote:
> >
> > if you haven't pinned those pages then you have lost already.
>
> Bug reports say otherwise. Could you explain "pinning" to a newbie
> like me?
if your page is made unfreeable for the vm, for example by virtue of not
being on the LRU or having an elevated count or.. or .. then such a page is
pinned.
if your page is freeable byt he VM and your device is dmaing from/to it you
have a really bad bug
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next prev parent reply other threads:[~2004-09-15 13:39 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-05 5:44 Nick Piggin
2004-09-05 5:45 ` [RFC][PATCH 1/3] account free buddy areas Nick Piggin
2004-09-05 5:46 ` [RFC][PATCH 2/3] alloc-order watermarks Nick Piggin
2004-09-05 5:47 ` [RFC][PATCH 3/3] teach kswapd about watermarks Nick Piggin
2004-09-05 6:04 ` David S. Miller
2004-09-05 6:20 ` Nick Piggin
2004-09-05 5:50 ` [RFC][PATCH 2/3] alloc-order watermarks Nick Piggin
2004-09-05 6:13 ` [RFC][PATCH 1/3] account free buddy areas Nick Piggin
2004-09-05 6:02 ` [RFC][PATCH 0/3] beat kswapd with the proverbial clue-bat David S. Miller
2004-09-05 6:16 ` Nick Piggin
2004-09-05 10:13 ` Nick Piggin
2004-09-05 17:24 ` Linus Torvalds
2004-09-05 17:36 ` Martin J. Bligh
2004-09-05 17:37 ` Arjan van de Ven
2004-09-05 17:58 ` Linus Torvalds
2004-09-05 18:41 ` Arjan van de Ven
2004-09-06 1:35 ` Nick Piggin
2004-09-15 13:27 ` Jörn Engel
2004-09-15 13:29 ` Arjan van de Ven
2004-09-15 13:34 ` Jörn Engel
2004-09-15 13:39 ` Arjan van de Ven [this message]
2004-09-15 14:18 ` Jörn Engel
2004-09-06 1:09 ` Nick Piggin
2004-09-05 6:09 ` Andrew Morton
2004-09-05 6:26 ` Nick Piggin
2004-09-05 6:27 ` Anton Blanchard
2004-09-05 10:09 ` Nick Piggin
2004-09-06 3:33 ` David S. Miller
2004-09-06 8:55 ` Nick Piggin
2004-09-05 16:49 ` Linus Torvalds
2004-09-06 0:54 ` Nick Piggin
2004-09-06 1:49 ` Nick Piggin
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