From patchwork Tue Jun 27 03:14:15 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vishal Moola X-Patchwork-Id: 13293894 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 D9655EB64DC for ; Tue, 27 Jun 2023 03:18:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231129AbjF0DSU (ORCPT ); Mon, 26 Jun 2023 23:18:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36250 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231137AbjF0DQe (ORCPT ); Mon, 26 Jun 2023 23:16:34 -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 AC68D26BC; Mon, 26 Jun 2023 20:15:44 -0700 (PDT) Received: by mail-yw1-x1134.google.com with SMTP id 00721157ae682-570282233ceso30915747b3.1; Mon, 26 Jun 2023 20:15:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1687835744; x=1690427744; 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=HLcNThhCjrF2lW2DbUB2arEo4ko3B6allhXZIcElXjdr6H7L2X1FZfSho548An2x+c a+9K7HsBcoezl8dCiHuvfAoLyrYuTYtD9E2TWwaVAxGHkBxxc2/5TZ6nFsMXNvk6remM jx+8EfWgo0KYBg7GjeDiKlLbwiB7jM460FpLAi7tKdSlKxxDWqFHsa1UXC/mbPJcCtbU yj4Rp4J3hy1xGdNYGZKCLJPZo1cDJDTZZ/8LhFsRol7Jja96ui1kFTq+O1Fx747WJ4sF vLKKmUtgz/Vt/5vQzW3HaVNESXDRtjCa2KGe7DVgUo3lXiMXBnrUqjQNRU6qXKgQgpLj HQ8Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687835744; x=1690427744; 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=UD/bVze+9Sbu9xvwcfrUP8ZL/MVwTFIu/470bweBKcJ/duFl21o9DtrU1dBPJJJQjK oFpscPOXPoPU0fLzhy33QpJsd7o6FFXWC9XiKEilefy+vvIin2cn41fabRdJhvaccfju oSwMla1xj532/WqUHr9Lbe0/rYE6AujJI4CsR89xiYdAKhgu4vbwpbaqYVsv9Unr499A HduYWVDwTxd+4E0ajHE/B67vhV9arXQjExH7OA6midsl5EAh8xsrsEdqe0ECULUf7Cqn wekslUTuHHuFwFkTJs1J5t7VRfTAEiQD9wIox+o65xSig7lA0R7BVacINTYaJUczwhcI B+rA== X-Gm-Message-State: AC+VfDyiK14gsjXw19SOUCsIqYYvt8ff85WOXMNkVbowWad/DT5ch0rZ 8IGaSWB8LjUW4JzT28rRnLM= X-Google-Smtp-Source: ACHHUZ4vo/lElRqyF24hRbACCzJ93507ECpcyy5/0zyyAPcDbkzDTEVAwpHPMKxzXN5UZzQtaYrpVQ== X-Received: by 2002:a81:6bc5:0:b0:576:8fcd:270f with SMTP id g188-20020a816bc5000000b005768fcd270fmr7059365ywc.19.1687835743726; Mon, 26 Jun 2023 20:15:43 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id s4-20020a0dd004000000b0057399b3bd26sm1614798ywd.33.2023.06.26.20.15.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 26 Jun 2023 20:15:43 -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 17/33] mm: Remove page table members from struct page Date: Mon, 26 Jun 2023 20:14:15 -0700 Message-Id: <20230627031431.29653-18-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: linux-sh@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);