From patchwork Mon Apr 17 20:50:32 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vishal Moola X-Patchwork-Id: 13214634 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 C6610C88C96 for ; Mon, 17 Apr 2023 20:54:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231154AbjDQUx7 (ORCPT ); Mon, 17 Apr 2023 16:53:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39966 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231156AbjDQUx0 (ORCPT ); Mon, 17 Apr 2023 16:53:26 -0400 Received: from mail-pj1-x1031.google.com (mail-pj1-x1031.google.com [IPv6:2607:f8b0:4864:20::1031]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A4F327286; Mon, 17 Apr 2023 13:53:09 -0700 (PDT) Received: by mail-pj1-x1031.google.com with SMTP id s23-20020a17090aba1700b00247a8f0dd50so3410383pjr.1; Mon, 17 Apr 2023 13:53:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1681764789; x=1684356789; 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=ySUR2NhNYIi45iieMc0XGAHKG7J++HPTQWlVu2Tasao=; b=r15/y1KDif+Drf/4AN1jpq4aAvcL2g0C6yBlVejRZjViwAKdx4tN5lVxRrilW72t8W lxYrwwZ1V+6OuCBWGNjnVnFHs9fxA0+y+Hq/T2Xun9HaX6uevRtPhFT+6Fyn6rL6cuxl Z3/9OHOOCrjsch5rq9oWYEod7RCMO4fFtyd7gUBrmXZG32pCnlsISiWWId2b7LrGrhST kpDrkb186Ifgo7UoD/Ti/tLM6Mv74UfKgE7j3u4BhSVZUj1yrtlCsZDlhuTy+CmGW1TT t+a+qaRd0Bf5+Wl/CDmlKFz2wUcV2Pe9TbKsnSy3YV2N+zpAWDFA5l3JzNu+kIHHm1Jf 2puA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1681764789; x=1684356789; 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=ySUR2NhNYIi45iieMc0XGAHKG7J++HPTQWlVu2Tasao=; b=RcBvuNfBNrhEroN791ymX7dg6iLG0BijC5EsoWFExuCO/5rOtx/bGdZp9NKmGzLuBy mC+A7mBRn5tAwExWbPXrukQh5q7NKlwdYY+oz0LFJ8qQwrkGwo1rFyqrM8aSELC4cO/G ArkBpBS10DWhO04QNP1xyMS0MnQmRrYVsKOCQS6FJDoy48SMYKUDo7SmEJE3Tb7DlAUS tbp1n/IG+MSQhnom3EPym0yJNpEdtc6g04nqc5/cOWAj79eoUW7SwA1AE0/bswk2qufs ooHKMPivC24vb309xtZyIeUwssrus4tGqOc6pN6AWYdTjCWd6RZmZA9TXjUjDQZ2Kxi1 seAQ== X-Gm-Message-State: AAQBX9fnkdktYyVT9RKvWnpLYJTZkhG0tLho+JfzU755RHG7QsroQQrL skesA5pigqo0e089FHyvEnI= X-Google-Smtp-Source: AKy350ZVl3PNdJ0+nN/Rb9LpMw5+uyjbe8u9t4N4aIteNFpQkEwBCpgg7+YRGDc+SZWH4x4d964lpw== X-Received: by 2002:a17:90a:d205:b0:234:409:9752 with SMTP id o5-20020a17090ad20500b0023404099752mr15223725pju.25.1681764789129; Mon, 17 Apr 2023 13:53:09 -0700 (PDT) Received: from fedora.hsd1.ca.comcast.net ([2601:644:937f:7f20::c139]) by smtp.googlemail.com with ESMTPSA id h7-20020a17090ac38700b0022335f1dae2sm7609707pjt.22.2023.04.17.13.53.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Apr 2023 13:53:08 -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 17/33] mm: Remove page table members from struct page Date: Mon, 17 Apr 2023 13:50:32 -0700 Message-Id: <20230417205048.15870-18-vishal.moola@gmail.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230417205048.15870-1-vishal.moola@gmail.com> References: <20230417205048.15870-1-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) --- 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 2616d64c0e8c..4355f95abc5a 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 7cd803aa38eb..8cacdf1fc411 100644 --- a/include/linux/pgtable.h +++ b/include/linux/pgtable.h @@ -91,9 +91,6 @@ TABLE_MATCH(flags, __page_flags); TABLE_MATCH(compound_head, pt_list); TABLE_MATCH(compound_head, _pt_pad_1); TABLE_MATCH(mapping, _pt_s390_gaddr); -TABLE_MATCH(pmd_huge_pte, pmd_huge_pte); -TABLE_MATCH(pt_mm, pt_mm); -TABLE_MATCH(ptl, ptl); #undef TABLE_MATCH static_assert(sizeof(struct ptdesc) <= sizeof(struct page));