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=-14.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 1A5E8C433E0 for ; Tue, 2 Mar 2021 10:29:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D390564F17 for ; Tue, 2 Mar 2021 10:29:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1379989AbhCBKYO (ORCPT ); Tue, 2 Mar 2021 05:24:14 -0500 Received: from mail.kernel.org ([198.145.29.99]:55008 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1349554AbhCBKFB (ORCPT ); Tue, 2 Mar 2021 05:05:01 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id D14FB64F12; Tue, 2 Mar 2021 10:04:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1614679461; bh=F7EFwzdiJGCuUJUM4rhmyuct8ZJs4bkPmXvvBTimuS4=; h=From:To:Cc:Subject:Date:From; b=eWQYvRA+/QbPaWtGg12DWWxHmts3dBQRib7AsddTMsqcEAwURGHsaHiGDP6KI+3ln OVdUKwOsJlf0nMX/97t7gPDyhRmnTP+933CyJGhHS+W0pdIwtRD0+t8y+/9bXaxK6S 3tF3HSpnXyOaZngWyd/Vum4UDv5Wx4usuYHMep4bytRtl5eNXrp52nftzv+cUBmBkv iOVde5WikU6HpKF7Qz7M9KW4wWl9A/R6uXRjkXp/vA8Bf5HiapCfMEXuEcqQkx1AIU FHvIs/gc+16X65JroeDchcU/j2sxxEKSFFRFXKbpSqHHxt4EdmDBYjt/EDXPQs6fVd qnpAUjW3GIMew== From: Mike Rapoport To: x86@kernel.org Cc: Andrew Morton , Andrea Arcangeli , Baoquan He , Borislav Petkov , David Hildenbrand , "H. Peter Anvin" , Ingo Molnar , Mel Gorman , Michal Hocko , Mike Rapoport , Mike Rapoport , Qian Cai , Thomas Gleixner , Vlastimil Babka , linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH v3 0/2] x86/setup: consolidate early memory reservations Date: Tue, 2 Mar 2021 12:04:04 +0200 Message-Id: <20210302100406.22059-1-rppt@kernel.org> X-Mailer: git-send-email 2.28.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Mike Rapoport Hi, David noticed that we do some of memblock_reserve() calls after allocations are possible: https://lore.kernel.org/lkml/6ba6bde3-1520-5cd0-f987-32d543f0b79f@redhat.com The below patches consolidate early memory reservations done during setup_arch() so that memory used by firmware, bootloader, kernel text/data and the memory that should be excluded from the available memory for whatever other reason is reserved before memblock allocations are possible. The patches are rebased on v5.12-rc1 and I think x86 tree is the best way to merge them. v3: * rebase on v5.12-rc1 v2: https://lore.kernel.org/lkml/20210128105711.10428-1-rppt@kernel.org * get rid of trim_platform_memory_ranges() and call trim_snb_memory() directly, per Boris comments * massage changelog and comments to use passive voice, per Boris * add Acked-by and Reviewed-by, thanks Boris and David v1: https://lore.kernel.org/lkml/20210115083255.12744-1-rppt@kernel.org Mike Rapoport (2): x86/setup: consolidate early memory reservations x86/setup: merge several reservations of start of the memory arch/x86/kernel/setup.c | 95 ++++++++++++++++++++--------------------- 1 file changed, 46 insertions(+), 49 deletions(-) -- 2.28.0