From patchwork Tue Jun 27 03:14:03 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vishal Moola X-Patchwork-Id: 13293757 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 7C9D3EB64DD for ; Tue, 27 Jun 2023 03:15:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229998AbjF0DPh (ORCPT ); Mon, 26 Jun 2023 23:15:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36030 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230177AbjF0DPZ (ORCPT ); Mon, 26 Jun 2023 23:15:25 -0400 Received: from mail-yw1-x112d.google.com (mail-yw1-x112d.google.com [IPv6:2607:f8b0:4864:20::112d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5FDFF1BEE; Mon, 26 Jun 2023 20:15:19 -0700 (PDT) Received: by mail-yw1-x112d.google.com with SMTP id 00721157ae682-5700401acbeso42701907b3.0; Mon, 26 Jun 2023 20:15:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1687835718; x=1690427718; 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=MeM3v1KjtFoJ68g67QFEF1NyVxMiMYgvdlNUvONCKTcddCTBLfXbCvjdDQ2rkMkntp NglXMwE26fCvz5F9nMSZMUxoetH1ZAcsVpi0efOXfEwN4DA6ftYlLFo1JApHI/tubC37 33sHqn+NMB2tr9HBuBdSW/hwIa8uL6U/SOUDWuLzyTAiHAPzWUOM8CjVLD+EbbHd/5kR FnMJGohaY21AmJl4Lrba1v1FCtiqCThvY8//FgKgMI5nMolrkjqa5ElszWe7So6X4/NA 29o+uMEWd5I0Ihfj0/TIUUwfyyspThDiVrfoH9mpbEwmREVQeVNhmFuIVnTUiZMir9ah 1F3g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687835718; x=1690427718; 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=T5w2MLSMGZY9W53oMaNekVXk8oj2K2MYZWq1xr//bmz3O3dBcGG3i4t2Z8c/yk++QJ SvOU1sI/RidDftIdQfbKUMh7VKSQ4qwEoH9FNY6E5FAz4mOe4V6/ab4uy/perb0oMrsB gKu80Rib7pt7jYG3VOBJyvSTPHVqNWSLyZIwlrrsRsArk/qKEIPDBhn8zt36LY0er+yF hIX/BLWhqb48vUYvaiVh2HlbQjihWRyxnDmOid6lkEk32Hjgs8hCbTv+zju7UGSv9BHY uBuCdQ7jnWgIGNmnQxeIaQBytHLkSjQBwAhv7yLZU85omoKKZV5os8DpsE8GjbWASGlG T5Yw== X-Gm-Message-State: AC+VfDzaOlKqSEL1hoR5qQjOQ2yAzLPirvXK3n7UKeLxGoKkiiinxgbO CNTdG0k5J3q56rVAINGdITU= X-Google-Smtp-Source: ACHHUZ7jG3JdEOLXHoTlHZs7iMneXhbSi5TTL08hXZ/YgCW6ZXi6BK/DGPcEgnHcQP1gwkgg+JH2AQ== X-Received: by 2002:a0d:c506:0:b0:56f:e627:8545 with SMTP id h6-20020a0dc506000000b0056fe6278545mr30778532ywd.39.1687835718493; Mon, 26 Jun 2023 20:15:18 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id s4-20020a0dd004000000b0057399b3bd26sm1614798ywd.33.2023.06.26.20.15.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 26 Jun 2023 20:15:17 -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 v6 05/33] mm: Convert pmd_pgtable_page() to pmd_ptdesc() Date: Mon, 26 Jun 2023 20:14:03 -0700 Message-Id: <20230627031431.29653-6-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230627031431.29653-1-vishal.moola@gmail.com> References: <20230627031431.29653-1-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