From patchwork Mon Jun 12 21:03:55 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vishal Moola X-Patchwork-Id: 13277502 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 928F5CA9EB9 for ; Mon, 12 Jun 2023 21:08:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239112AbjFLVIN (ORCPT ); Mon, 12 Jun 2023 17:08:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57150 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232547AbjFLVHx (ORCPT ); Mon, 12 Jun 2023 17:07:53 -0400 Received: from mail-yw1-x112b.google.com (mail-yw1-x112b.google.com [IPv6:2607:f8b0:4864:20::112b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 237A610F9; Mon, 12 Jun 2023 14:04:59 -0700 (PDT) Received: by mail-yw1-x112b.google.com with SMTP id 00721157ae682-56ce96063bcso37489307b3.1; Mon, 12 Jun 2023 14:04:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1686603898; x=1689195898; 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=yIxlKckYoNWIlWWgwnqqyBbBSaaTtt3uqS2t74G/Cdc=; b=dEzJOtzxLU2ZgnRZWUoqUgX1LkEqjEDlA4j+okrU2e6EDfoTOSvMm21aq2NnoI678R /LX1XChQ5Sb6AvjVNxtMPEQadtzbeWOF+8rQnJrR7+vmusoCvLySLO14WPjcNIRUT0dF 2rQMLU3uAHVNRz0iVUR14QRbNE3w1MtZleas6+gopDWiSHJ7z9AcD/gIo2kO1Qn8dYbq 016n5ev0Z4+orrxhRkS9jR7LRRnc2lkVCuuqKiR89ABW/c7EVFAaF7NtNMlO51k6MesR a4Umst3ZsGaDroxenZAsFOjCXCF1Egq8LClHBVmEapvlxmVVyTvGXFdEnpS3DAZrTLmY PBbA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686603898; x=1689195898; 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=yIxlKckYoNWIlWWgwnqqyBbBSaaTtt3uqS2t74G/Cdc=; b=DlyE2xpMCgijoMwuiGal6HikiydHEX3uXEwQGRg40zOochGxek/ZBglgFOGoeHLiwH vD9/lsuOwwO0gRWC/ph6WLlO8W6X00n61GhDywW6V2MxXscvUI+klm1xRV6qccKYuekH jC3PDKiKvF4eidJMpECOU/bat8lJYhOJGfA7f6sIuDouuTINNK1BCTwq6qK+IDrPtKmj SvC4NfN02x0U0Xog2JcjQfXgEFCOAUtARpN/q8Ly7d3y1h6XMrCHC3oADgUv0CH0hBLe RS1Rc+26iJ71TSOJuYsBwC0N6btoBiqoGGNnJfuknVRtLdpJFOKys541CgEaMrpIOZ3l VRvg== X-Gm-Message-State: AC+VfDzFnDUKiRTMf9IPnKLYJ7Sy65IKF7rqfx/rxDNwjcCRWfg4wpsj e2Q9eWpgAfRaT31MyK5jbj4= X-Google-Smtp-Source: ACHHUZ6/Iw+ntCpwv4qU9urdFcPsYepvqoySZLtVMefOmpx6b7rcyARehfEWJ2myv62OL0MPJVk5RA== X-Received: by 2002:a81:7287:0:b0:561:b246:77df with SMTP id n129-20020a817287000000b00561b24677dfmr12849071ywc.16.1686603898264; Mon, 12 Jun 2023 14:04:58 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id s125-20020a817783000000b00569eb609458sm2757115ywc.81.2023.06.12.14.04.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 12 Jun 2023 14:04:58 -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)" Subject: [PATCH v4 06/34] mm: Convert pmd_pgtable_page() to pmd_ptdesc() Date: Mon, 12 Jun 2023 14:03:55 -0700 Message-Id: <20230612210423.18611-7-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230612210423.18611-1-vishal.moola@gmail.com> References: <20230612210423.18611-1-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 f184f1eba85d..088b7664f897 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2931,15 +2931,15 @@ static inline void pgtable_pte_page_dtor(struct page *page) #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) @@ -2958,7 +2958,7 @@ 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