Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261487AbVBNRGp (ORCPT ); Mon, 14 Feb 2005 12:06:45 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261488AbVBNRGp (ORCPT ); Mon, 14 Feb 2005 12:06:45 -0500 Received: from irulan.endorphin.org ([80.68.90.107]:16901 "EHLO irulan.endorphin.org") by vger.kernel.org with ESMTP id S261487AbVBNRGn (ORCPT ); Mon, 14 Feb 2005 12:06:43 -0500 Subject: Re: [PATCH 01/04] Adding cipher mode context information to crypto_tfm From: Fruhwirth Clemens To: "David S. Miller" Cc: James Morris , Andrew Morton , linux-kernel@vger.kernel.org, michal@logix.cz, adam@yggdrasil.com In-Reply-To: <20050214075655.6dec60cb.davem@davemloft.net> References: <1108387234.8086.37.camel@ghanima> <20050214075655.6dec60cb.davem@davemloft.net> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-2l+PliWPXzRg8o2eRp+R" Date: Mon, 14 Feb 2005 18:06:39 +0100 Message-Id: <1108400799.23133.34.camel@ghanima> Mime-Version: 1.0 X-Mailer: Evolution 2.0.2 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1711 Lines: 47 --=-2l+PliWPXzRg8o2eRp+R Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Mon, 2005-02-14 at 07:56 -0800, David S. Miller wrote: > On Mon, 14 Feb 2005 14:20:34 +0100 > Fruhwirth Clemens wrote: >=20 > > Conclusion: The idea of high-mem and low-mem seperation is fundamentall= y > > broken. The limitation of page table entries to a fixed set is causing > > more complications than it solves. Laziness to do things right at memor= y > > management shifts the burden to the users of the interface.=20 >=20 > Doing it "at memory management" is what many other OS's do and > is incredibly costly especially on SMP systems. Please ponder > those issues for some time before you blast Linux's MM design > decisions. They were not made in a vacuum. There is nothing wrong with having special methods, that lack generality but are superior in performance. There is something wrong, when there are no other. And there are no other for holding three kmappings or more concurrently. --=20 Fruhwirth Clemens http://clemens.endorphin.org --=-2l+PliWPXzRg8o2eRp+R Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.6 (GNU/Linux) iD8DBQBCENqfbjN8iSMYtrsRAihmAJwJOg8jVqozFEnErWkXd2bcOksoHQCeMa2t fEvVubfuMey7+ij+CywzzAI= =DTJV -----END PGP SIGNATURE----- --=-2l+PliWPXzRg8o2eRp+R-- - 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/