From patchwork Thu Jun 22 20:57:29 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vishal Moola X-Patchwork-Id: 13289686 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 0EC15C04FE2 for ; Thu, 22 Jun 2023 21:00:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231834AbjFVVAn (ORCPT ); Thu, 22 Jun 2023 17:00:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49730 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231626AbjFVU70 (ORCPT ); Thu, 22 Jun 2023 16:59:26 -0400 Received: from mail-qk1-x732.google.com (mail-qk1-x732.google.com [IPv6:2607:f8b0:4864:20::732]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9224B26A4; Thu, 22 Jun 2023 13:58:55 -0700 (PDT) Received: by mail-qk1-x732.google.com with SMTP id af79cd13be357-762092e1fb7so682069985a.1; Thu, 22 Jun 2023 13:58:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1687467511; x=1690059511; 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=nccUzLka7Xkr4OuMpYk05u/KaIGQrzDFYQttz/vcmHQ=; b=bxkxtD+QQAC8zd161RKeCcg6MaoPAPE7L+CauClsYEL0Xy9+Td62VuxUGsgYxnFiq0 O6uvJ71cZ3HzaD3sn95/EOTS8BXKpmL+IQrAYm0nHFHW9S+p9vWLuqdK4qFg64CCRbun joR+Hl/5hsxihcXKPDNMSOwFhI08HqC+OD8d0u+5w8Qz5HarhFJT9jfwORvF779fEL9V zRFvHmiRuYANo66EVjgtR36nI9raB2GVIEDQNVqxyl97sNwtEBiuGHRD00zHWqOmK+wx CCZ2jYpmNaAVgCE8uPmkzzzOyp8bu94YHjJqAydk7W1+LKznmMU3DWFCBUl+KliiUs4D rLQQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687467511; x=1690059511; 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=nccUzLka7Xkr4OuMpYk05u/KaIGQrzDFYQttz/vcmHQ=; b=Xlaw66sCUyGyIvXKGce0isRkP2pDB3wOhwOYeYvLbsWhxJmmFtbcecyNwGKolAAHs1 Cw+xncxvKsEJ1RU+pG61YWIJB6S3p0INav3NveqEzS58/84zZXfjkKvnC3aaiPjgS+9X R33VZWxfrNSdmM1KlJPgOS/qS2SZUhMo/R95sYd0bI8I45ggQoiF38mn6cht8GxEC2On yvqL7K1OlOLHuuVpUtzIJr7JHmKvRZUNEBB+0ca/uNX+d75WXM2KRiKwJpT0NyrZc7j7 kyF/PTVfnRTr5uJvOrrmqg7LYkQzbwz2xANW7MQBQ4dEtQgK1ZzvChbhKU8ucTAysSfq 5p6Q== X-Gm-Message-State: AC+VfDypZ3R9S8wNWozVGl/VPX831m4pqhO8a1BuAObT2HABvTDUb4+M mbHeXBDrkI6KNY9wjzRKsIg= X-Google-Smtp-Source: ACHHUZ4ad8Rj1cEO907Psdq+ajLgAiK0FYJ6eHB9wwgKt19FWwArd1FWX8Y4TNXwZH2eE/VH/YBYiA== X-Received: by 2002:a05:620a:4790:b0:765:41c1:31eb with SMTP id dt16-20020a05620a479000b0076541c131ebmr1410020qkb.48.1687467511080; Thu, 22 Jun 2023 13:58:31 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::36]) by smtp.googlemail.com with ESMTPSA id d18-20020a5b0c52000000b00bc501a1b062sm1684937ybr.42.2023.06.22.13.58.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Jun 2023 13:58:30 -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 17/33] mm: Remove page table members from struct page Date: Thu, 22 Jun 2023 13:57:29 -0700 Message-Id: <20230622205745.79707-18-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 The page table members are now split out into their own ptdesc struct. Remove them from struct page. Signed-off-by: Vishal Moola (Oracle) Acked-by: Mike Rapoport (IBM) --- include/linux/mm_types.h | 14 -------------- include/linux/pgtable.h | 3 --- 2 files changed, 17 deletions(-) diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index fbbe4e93a9ba..434e54440686 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -141,20 +141,6 @@ struct page { struct { /* Tail pages of compound page */ unsigned long compound_head; /* Bit zero is set */ }; - struct { /* Page table pages */ - unsigned long _pt_pad_1; /* compound_head */ - pgtable_t pmd_huge_pte; /* protected by page->ptl */ - unsigned long _pt_s390_gaddr; /* mapping */ - union { - struct mm_struct *pt_mm; /* x86 pgds only */ - atomic_t pt_frag_refcount; /* powerpc */ - }; -#if ALLOC_SPLIT_PTLOCKS - spinlock_t *ptl; -#else - spinlock_t ptl; -#endif - }; struct { /* ZONE_DEVICE pages */ /** @pgmap: Points to the hosting device page map. */ struct dev_pagemap *pgmap; diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h index e9bb5f18cade..daeacfe3930d 100644 --- a/include/linux/pgtable.h +++ b/include/linux/pgtable.h @@ -1044,10 +1044,7 @@ struct ptdesc { TABLE_MATCH(flags, __page_flags); TABLE_MATCH(compound_head, pt_list); TABLE_MATCH(compound_head, _pt_pad_1); -TABLE_MATCH(pmd_huge_pte, pmd_huge_pte); TABLE_MATCH(mapping, _pt_s390_gaddr); -TABLE_MATCH(pt_mm, pt_mm); -TABLE_MATCH(ptl, ptl); TABLE_MATCH(rcu_head, pt_rcu_head); #ifdef CONFIG_MEMCG TABLE_MATCH(memcg_data, pt_memcg_data);