Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B608DC433FE for ; Fri, 14 Jan 2022 00:22:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238410AbiANAW4 (ORCPT ); Thu, 13 Jan 2022 19:22:56 -0500 Received: from smtp-fw-6001.amazon.com ([52.95.48.154]:48237 "EHLO smtp-fw-6001.amazon.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232240AbiANAWz (ORCPT ); Thu, 13 Jan 2022 19:22:55 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1642119776; x=1673655776; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=LROlsoL05Z/yvNn6y7/I7ailLszh8WniXNKZEpZSJhs=; b=KSdxuQRPm0cTFEYksRYRdQmsCM3Q8ZnReXTb0MXyiREryVCREO8BPn7F J1PK8F7AbYFKbH7Kv3ZpYfjv1wWqgGCZHOux/6GlVEomKum4mllqqftI3 ZxIv9Q0Pyez1Yl9BF+6JMk44rLSi6Fqofjuv5n+uiqVqbfPERxboqWO1m s=; X-IronPort-AV: E=Sophos;i="5.88,286,1635206400"; d="scan'208";a="170316158" Received: from iad12-co-svc-p1-lb1-vlan3.amazon.com (HELO email-inbound-relay-pdx-2b-05e8af15.us-west-2.amazon.com) ([10.43.8.6]) by smtp-border-fw-6001.iad6.amazon.com with ESMTP; 14 Jan 2022 00:22:54 +0000 Received: from EX13MTAUEE002.ant.amazon.com (pdx1-ws-svc-p6-lb9-vlan2.pdx.amazon.com [10.236.137.194]) by email-inbound-relay-pdx-2b-05e8af15.us-west-2.amazon.com (Postfix) with ESMTPS id 73AC4A2389; Fri, 14 Jan 2022 00:22:53 +0000 (UTC) Received: from EX13D21UEE002.ant.amazon.com (10.43.62.64) by EX13MTAUEE002.ant.amazon.com (10.43.62.24) with Microsoft SMTP Server (TLS) id 15.0.1497.28; Fri, 14 Jan 2022 00:22:53 +0000 Received: from EX13MTAUEE002.ant.amazon.com (10.43.62.24) by EX13D21UEE002.ant.amazon.com (10.43.62.64) with Microsoft SMTP Server (TLS) id 15.0.1497.26; Fri, 14 Jan 2022 00:22:52 +0000 Received: from dev-dsk-fllinden-2c-d7720709.us-west-2.amazon.com (172.19.206.175) by mail-relay.amazon.com (10.43.62.224) with Microsoft SMTP Server id 15.0.1497.28 via Frontend Transport; Fri, 14 Jan 2022 00:22:52 +0000 Received: by dev-dsk-fllinden-2c-d7720709.us-west-2.amazon.com (Postfix, from userid 6262777) id AE751C6; Fri, 14 Jan 2022 00:22:52 +0000 (UTC) Date: Fri, 14 Jan 2022 00:22:52 +0000 From: Frank van der Linden To: Mike Rapoport CC: , , , , , , , , , , , Subject: Re: [PATCH 1/3] memblock: define functions to set the usable memory range Message-ID: <20220114002252.GA22602@dev-dsk-fllinden-2c-d7720709.us-west-2.amazon.com> References: <20220110210809.3528-1-fllinden@amazon.com> <20220110210809.3528-2-fllinden@amazon.com> <20220111204441.GA36458@dev-dsk-fllinden-2c-d7720709.us-west-2.amazon.com> <20220114001046.GA10609@dev-dsk-fllinden-2c-d7720709.us-west-2.amazon.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20220114001046.GA10609@dev-dsk-fllinden-2c-d7720709.us-west-2.amazon.com> User-Agent: Mutt/1.5.21 (2010-09-15) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jan 14, 2022 at 12:10:46AM +0000, Frank van der Linden wrote: > Thanks for discussing this further! I tried the above change, although > I wrapped it in an if (cap_mem_size != 0), so that a normal kernel > doesn't get its entire memory marked as reserved. Just to clarify: I had to do that because the code is slightly different on 5.15, where I tried it. It wasn't a bug in the proposed patch. Anyway, will try 5.17-rc tomorrow, I'll let you know, thanks again. - Frank