From patchwork Wed May 31 21:30:04 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vishal Moola X-Patchwork-Id: 13262633 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 1C7E0C88C95 for ; Wed, 31 May 2023 21:32:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230419AbjEaVbi (ORCPT ); Wed, 31 May 2023 17:31:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39172 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230361AbjEaVb2 (ORCPT ); Wed, 31 May 2023 17:31:28 -0400 Received: from mail-yw1-x1134.google.com (mail-yw1-x1134.google.com [IPv6:2607:f8b0:4864:20::1134]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8159F133; Wed, 31 May 2023 14:31:22 -0700 (PDT) Received: by mail-yw1-x1134.google.com with SMTP id 00721157ae682-566586b180fso959707b3.0; Wed, 31 May 2023 14:31:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1685568681; x=1688160681; 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=cQi1r9n8ZvdAYjhQrP0RtpOHDwCF0T3SkT9pOHS3grY=; b=I4ZK3ufVe7mv71vTYogtgymswU5NJnWubvNrBVwVZ1xQ0v/p7EI5y5eDyiHJRrHKpG azRQJKWH7AViYgdCK9GdEYZ8omA3oIlbOzs852fLZAEvIF+ozvEvZkK1/lCOTaAOLLWg oij0mtTKcWvOTyQV92r6jSH492LqXNF3KyTROTbV0zOPwz64hVwHxQg5gRw6g2twpMr+ Syr51H68T+2e3gvOiE/6C7bywaJcNLAGV+Y3hFA7u25fKQ4NEmZwbyYlQc7gCZ6R/kVr pYNZAd+SPL7/3au6VqcXubefeyJmThujQisY5D7sD9GWsMGa+7uty95WSWwZ8guF3AKi 4svg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1685568681; x=1688160681; 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=cQi1r9n8ZvdAYjhQrP0RtpOHDwCF0T3SkT9pOHS3grY=; b=EjVKHFhUivhOPDFPMoOFYbj6OoEiHS6XHkpm6xHkE7J3qgTLlCRw0+HUJMd++kfKkg 5NkLhIktEzrPHIhJMMokiU4nDRF3I8IVn5epg3amaheoiJAMfA1VO2SE7oPmZcXpxtPB 66VGQj7nCIj6oZ/OPfnTmQ6RioxXzFwsjYTceXdhVYOchwuDcg2jNDlHfJfO/Kb8/oME XW5L9u1JCjk8clr8KNZibDD09lS14qVDdzPZ/3k+qFCR4DYjPHMDXWWRjOk2TT1l21yV TjKKZpzQLUr6HpaHy1XvZ9f8/cl0Kbe6akWLxq70GxgE78llpmlAyPHHeHbHJ8Xqb6Ne lBqQ== X-Gm-Message-State: AC+VfDyztjY+AGyEwCNHRDi+ohjwZxcnpIT+iNb7f2OHYA4RDRonNzMS FtfwO2YY2YNj/p6I7fpI5KA= X-Google-Smtp-Source: ACHHUZ4MgiQhTnDT0ikSenPgoz+0X6zm2wOF95JZP/LWMfbyCLY8nB5YKCMBE1n0Fb7UhukNcNCVlw== X-Received: by 2002:a0d:f5c6:0:b0:561:1c14:b8df with SMTP id e189-20020a0df5c6000000b005611c14b8dfmr6643798ywf.47.1685568681477; Wed, 31 May 2023 14:31:21 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::46]) by smtp.googlemail.com with ESMTPSA id t63-20020a0dd142000000b0055aafcef659sm658905ywd.5.2023.05.31.14.31.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 31 May 2023 14:31:21 -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, "Vishal Moola (Oracle)" Subject: [PATCH v3 06/34] mm: Convert pmd_pgtable_page() to pmd_ptdesc() Date: Wed, 31 May 2023 14:30:04 -0700 Message-Id: <20230531213032.25338-7-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230531213032.25338-1-vishal.moola@gmail.com> References: <20230531213032.25338-1-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) --- 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 620537e2f94f..3a9c40e90dd7 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2912,15 +2912,15 @@ 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) @@ -2939,7 +2939,7 @@ 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