Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266324AbUIONng (ORCPT ); Wed, 15 Sep 2004 09:43:36 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266155AbUIONlu (ORCPT ); Wed, 15 Sep 2004 09:41:50 -0400 Received: from mx1.redhat.com ([66.187.233.31]:44458 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S266311AbUIONjv (ORCPT ); Wed, 15 Sep 2004 09:39:51 -0400 Date: Wed, 15 Sep 2004 15:39:39 +0200 From: Arjan van de Ven To: =?iso-8859-1?Q?J=F6rn?= Engel Cc: Linus Torvalds , Nick Piggin , "David S. Miller" , 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 Message-ID: <20040915133939.GC30530@devserv.devel.redhat.com> References: <413AA7B2.4000907@yahoo.com.au> <20040904230210.03fe3c11.davem@davemloft.net> <413AAF49.5070600@yahoo.com.au> <413AE6E7.5070103@yahoo.com.au> <1094405830.2809.8.camel@laptop.fenrus.com> <20040915132712.GA6158@wohnheim.fh-wedel.de> <20040915132904.GA30530@devserv.devel.redhat.com> <20040915133408.GB6158@wohnheim.fh-wedel.de> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="TiqCXmo5T1hvSQQg" Content-Disposition: inline In-Reply-To: <20040915133408.GB6158@wohnheim.fh-wedel.de> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1228 Lines: 39 --TiqCXmo5T1hvSQQg Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Sep 15, 2004 at 03:34:08PM +0200, J=F6rn Engel wrote: > On Wed, 15 September 2004 15:29:04 +0200, Arjan van de Ven wrote: > >=20 > > if you haven't pinned those pages then you have lost already. >=20 > 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 --TiqCXmo5T1hvSQQg Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) iD8DBQFBSEYaxULwo51rQBIRAjYbAJ4iqRw0AGZZgzTrAuIrVvEp1I0DxgCfaAoL nwv+i9R8Z4LFeBRYQaBREH8= =7Fid -----END PGP SIGNATURE----- --TiqCXmo5T1hvSQQg-- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/