From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.0 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 76450C43603 for ; Mon, 9 Dec 2019 18:33:47 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 32E0D208C3 for ; Mon, 9 Dec 2019 18:33:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="eNqP4p7o" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 32E0D208C3 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id A7C2B6B2814; Mon, 9 Dec 2019 13:33:46 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id A2D446B2815; Mon, 9 Dec 2019 13:33:46 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 943B66B2816; Mon, 9 Dec 2019 13:33:46 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0063.hostedemail.com [216.40.44.63]) by kanga.kvack.org (Postfix) with ESMTP id 7D8BE6B2814 for ; Mon, 9 Dec 2019 13:33:46 -0500 (EST) Received: from smtpin02.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with SMTP id 21179499607 for ; Mon, 9 Dec 2019 18:33:46 +0000 (UTC) X-FDA: 76246451652.02.card57_3df1ac4b46229 X-HE-Tag: card57_3df1ac4b46229 X-Filterd-Recvd-Size: 2712 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by imf45.hostedemail.com (Postfix) with ESMTP for ; Mon, 9 Dec 2019 18:33:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Transfer-Encoding :Content-Type:MIME-Version:References:Message-ID:Subject:Cc:To:From:Date: Sender:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=8zgmO8yIumpWTktN/WLnCjKv5dav9LhhmBQXS3TWUg8=; b=eNqP4p7owxWNWsbfq6onLxwlig lmiOYyGS8vCUjkzr+ed5MFL4EZw8QPfltFoMQAMkTBGeglMNlCLuOkhY9HqyAN4GSkY0Vgva0cjJh dmWKgQJXVQkyShp0GMPCz88nmEUCKdZIw7nghIelP7W3hYTXFI5RcPOmgPuyskrv8V8XxTaSPrVxg LrdyC0smjo6V5/ylW+B1b70NTBYQWYdajHbKZGXMMJ2827jh/pnwREcdhyW7upbnOzab/uwTty5dV MP3jnbgpGMQS4xifzcHuAgqGSySIt3EjNsS+HfsYY2ijlI/clx0qtibK0EJC9SjDZmwf9XRjOKTAi rvapDXwg==; Received: from willy by bombadil.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1ieNqg-0000pS-2A; Mon, 09 Dec 2019 18:33:34 +0000 Date: Mon, 9 Dec 2019 10:33:33 -0800 From: Matthew Wilcox To: Christophe Leroy Cc: Mike Rapoport , Michael Ellerman , linux-kernel@vger.kernel.org, Mike Rapoport , linux-mm@kvack.org, Paul Mackerras , linuxppc-dev@lists.ozlabs.org Subject: Re: [PATCH] powerpc: add support for folded p4d page tables Message-ID: <20191209183333.GG32169@bombadil.infradead.org> References: <20191209150908.6207-1-rppt@kernel.org> <7f4c038d-e971-b61f-3d3a-60a5faddfc0a@c-s.fr> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: <7f4c038d-e971-b61f-3d3a-60a5faddfc0a@c-s.fr> User-Agent: Mutt/1.12.1 (2019-06-15) Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Mon, Dec 09, 2019 at 06:46:36PM +0100, Christophe Leroy wrote: >=20 >=20 > Le 09/12/2019 =E0 16:09, Mike Rapoport a =E9crit=A0: > > From: Mike Rapoport > >=20 > > Implement primitives necessary for the 4th level folding, add walks o= f p4d > > level where appropriate and replace 5level-fixup.h with pgtable-nop4d= .h. > >=20 > > Signed-off-by: Mike Rapoport >=20 > Tested on 8xx and 83xx, no problem observed (ie book3s/32 and nohash/32= ) >=20 > Tested-by: Christophe Leroy >=20 > Christophe Did you add anything else to the next 1100 lines that you didn't bother to snip? I can't be arsed to scroll through them all looking.