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=-11.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 20176C07E96 for ; Tue, 13 Jul 2021 08:00:45 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 8BF2461283 for ; Tue, 13 Jul 2021 08:00:44 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8BF2461283 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 4484D6B008C; Tue, 13 Jul 2021 04:00:44 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 3D1566B0095; Tue, 13 Jul 2021 04:00:44 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 24CE26B0096; Tue, 13 Jul 2021 04:00:44 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0099.hostedemail.com [216.40.44.99]) by kanga.kvack.org (Postfix) with ESMTP id F172C6B008C for ; Tue, 13 Jul 2021 04:00:43 -0400 (EDT) Received: from smtpin39.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id E7CAA235BD for ; Tue, 13 Jul 2021 08:00:42 +0000 (UTC) X-FDA: 78356817924.39.BF3D51C Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf16.hostedemail.com (Postfix) with ESMTP id 923A0F0000B1 for ; Tue, 13 Jul 2021 08:00:42 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id C1E866120A; Tue, 13 Jul 2021 08:00:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1626163241; bh=Hs4L7zyR4b4GxBhM2vCR+8+5J8MOomPSGY1D2RWhWtk=; h=From:To:Cc:Subject:Date:From; b=k9qX/e9/aNmqhA0vJlaG86UM5k7FCgqoM3mviMYQ4ThKgZnuPtW4ov5rZe9a8jDsJ X/os0IyqN+3ZxFk0ZmAqJKGw8vHBkZyJi9Fwm3KkuCzMDAwiYGrsuyA8sf9gGvKLoW A17gS/pcmo/DQAkHQZ8KxMWXp7UG2M5Q1rwEJgYPOtgvCqbIAe3xTzBxVCoyMmCU13 fr/tOyKk6LK/BxhxnyiypQNPaqH8tVK8JPEMZab4UelMMxrMcPuMau/JrbBih8lFni ttOTVhmcPufmRFhJisjgBkFIiilso/AZmZxDtCDRVGcbVHjY3rr/oS9+1UrWdGEsV8 190UQtRutnCtQ== From: Mike Rapoport To: Andrew Morton Cc: Greg Kroah-Hartman , Mike Rapoport , Mike Rapoport , "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 0/2] mm: remove pfn_valid_within() and CONFIG_HOLES_IN_ZONE Date: Tue, 13 Jul 2021 11:00:33 +0300 Message-Id: <20210713080035.7464-1-rppt@kernel.org> X-Mailer: git-send-email 2.28.0 MIME-Version: 1.0 X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 923A0F0000B1 X-Stat-Signature: dd7my7i9x9t3jxdyjy1owjh5trx3x43j Authentication-Results: imf16.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b="k9qX/e9/"; dmarc=pass (policy=none) header.from=kernel.org; spf=pass (imf16.hostedemail.com: domain of rppt@kernel.org designates 198.145.29.99 as permitted sender) smtp.mailfrom=rppt@kernel.org X-HE-Tag: 1626163242-447515 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: From: Mike Rapoport Hi, After recent updates to freeing unused parts of the memory map, no architecture can have holes in the memory map within a pageblock. This makes pfn_valid_within() check and CONFIG_HOLES_IN_ZONE configuration option redundant. The first patch removes them both in a mechanical way and the second patc= h simplifies memory_hotplug::test_pages_in_a_zone() that had pfn_valid_within() surrounded by more logic than simple if. Mike Rapoport (2): mm: remove pfn_valid_within() and CONFIG_HOLES_IN_ZONE mm: memory_hotplug: cleanup after removal of pfn_valid_within() drivers/base/node.c | 2 -- include/linux/mmzone.h | 12 ------------ mm/Kconfig | 3 --- mm/compaction.c | 20 +++++++------------- mm/memory_hotplug.c | 13 +++---------- mm/page_alloc.c | 24 ++---------------------- mm/page_isolation.c | 7 +------ mm/page_owner.c | 14 +------------- 8 files changed, 14 insertions(+), 81 deletions(-) base-commit: e73f0f0ee7541171d89f2e2491130c7771ba58d3 --=20 2.28.0