From patchwork Thu Jun 22 20:57:17 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vishal Moola X-Patchwork-Id: 13289674 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 D7714C04A94 for ; Thu, 22 Jun 2023 20:59:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231538AbjFVU7N (ORCPT ); Thu, 22 Jun 2023 16:59:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49278 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231414AbjFVU7C (ORCPT ); Thu, 22 Jun 2023 16:59:02 -0400 Received: from mail-ot1-x32c.google.com (mail-ot1-x32c.google.com [IPv6:2607:f8b0:4864:20::32c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BAF542704; Thu, 22 Jun 2023 13:58:24 -0700 (PDT) Received: by mail-ot1-x32c.google.com with SMTP id 46e09a7af769-6b5d57d7db9so1630320a34.3; Thu, 22 Jun 2023 13:58:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1687467487; x=1690059487; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=5MMx6i8bJUxARp5QNqsq1CJUY3hOxlwkAEMcUNtK7dI=; b=UdIEW49a6VlVFdeDO40XUMIhkzu0TZbzMPBM/WacFFYU0Mf2IMmAOz+NL1cV98Ton4 4zQ7N3mgDzFH/zAeyyuA7dsXAtz6L9a3ryBLZR0keuhq84g9s5CyaVK84D28lhUtpY1k n1Pbrc0aBtOd2I2lssPU62Gn+t4FuAK2YSMld5ItzYd2Gb7upO15jx4dCKR0ZoMoveD4 fYCQ1IFYfK8OlRQ+gZ/yAiK4LxmWYPlg8lrZ4XnMaYZEtLSmgFLWfXItXcddGU79r9OH 9d/82j8McTJZKyaaoZkqZMldnjmKIChpQ0nH7tpNr90msjJzxK9KTHEvxYDWGujERLdc e96g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687467487; x=1690059487; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=5MMx6i8bJUxARp5QNqsq1CJUY3hOxlwkAEMcUNtK7dI=; b=ZJDUNbzJ8lAfT8uu4s4+wkMUDplbb0xWatsW09NN51p9EGIuOuezKqLM44dhzXaL7W zcdemEv1nehrlmGDikG20FFxEcdsJN9f7K1pGYuFtXXn5ruQsN3STynYsvuBIJxOrbX6 9lOjpa0zpGJ04h/L0XohNThRRaaTczLavHzD7EFAjM/Vkh+Fh1HekwDldcrT4OONOCOR njh9UEpW+aqhSAlzksl+VAYWI4QRGS5ZEhVU04snVct/2yYYAPUwsqa/j+HFJUepgTtb lV6Et5A3gyeiScSyC24qSl6e2hlVK6ouBOtXwdz1yTUQ1CzuIWR/tbgGmOyQYtqR+D5v 7Ruw== X-Gm-Message-State: AC+VfDyURCDBXPKtJFhx//7RBm1sovFh+qUTPNwuJ81Smd4yHA9f/hBt vMWwaQh4I5Jnn+pBWpOp1Wg= X-Google-Smtp-Source: ACHHUZ5msoxCs4WtHFESbyMK1EuaDf4wukFNhVJUOVId63qr2aSW3HXx+zFK0CBZB4PkAluxQSVOjw== X-Received: by 2002:a05:6359:2ea4:b0:12b:e5b1:1c9c with SMTP id rp36-20020a0563592ea400b0012be5b11c9cmr10630381rwb.14.1687467486510; Thu, 22 Jun 2023 13:58:06 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::36]) by smtp.googlemail.com with ESMTPSA id d18-20020a5b0c52000000b00bc501a1b062sm1684937ybr.42.2023.06.22.13.58.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Jun 2023 13:58:06 -0700 (PDT) From: "Vishal Moola (Oracle)" To: Andrew Morton , Matthew Wilcox Cc: linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, xen-devel@lists.xenproject.org, kvm@vger.kernel.org, Hugh Dickins , "Vishal Moola (Oracle)" , Mike Rapoport Subject: [PATCH v5 05/33] mm: Convert pmd_pgtable_page() to pmd_ptdesc() Date: Thu, 22 Jun 2023 13:57:17 -0700 Message-Id: <20230622205745.79707-6-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230622205745.79707-1-vishal.moola@gmail.com> References: <20230622205745.79707-1-vishal.moola@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Converts pmd_pgtable_page() to pmd_ptdesc() and all its callers. This removes some direct accesses to struct page, working towards splitting out struct ptdesc from struct page. Signed-off-by: Vishal Moola (Oracle) Acked-by: Mike Rapoport (IBM) --- include/linux/mm.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/include/linux/mm.h b/include/linux/mm.h index 14d95d494958..1511faf0263c 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2915,15 +2915,15 @@ pte_t *pte_offset_map_nolock(struct mm_struct *mm, pmd_t *pmd, #if USE_SPLIT_PMD_PTLOCKS -static inline struct page *pmd_pgtable_page(pmd_t *pmd) +static inline struct ptdesc *pmd_ptdesc(pmd_t *pmd) { unsigned long mask = ~(PTRS_PER_PMD * sizeof(pmd_t) - 1); - return virt_to_page((void *)((unsigned long) pmd & mask)); + return virt_to_ptdesc((void *)((unsigned long) pmd & mask)); } static inline spinlock_t *pmd_lockptr(struct mm_struct *mm, pmd_t *pmd) { - return ptlock_ptr(pmd_pgtable_page(pmd)); + return ptlock_ptr(ptdesc_page(pmd_ptdesc(pmd))); } static inline bool pmd_ptlock_init(struct page *page) @@ -2942,7 +2942,7 @@ static inline void pmd_ptlock_free(struct page *page) ptlock_free(page); } -#define pmd_huge_pte(mm, pmd) (pmd_pgtable_page(pmd)->pmd_huge_pte) +#define pmd_huge_pte(mm, pmd) (pmd_ptdesc(pmd)->pmd_huge_pte) #else