From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Vishal Moola (Oracle)" 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> References: <20230627031431.29653-1-vishal.moola@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=+u5kL5ha1hRWQNq2FkuF6j0DAJiJVJyF9nof1U4oAxk=; b=h57X3Lu/t8DIne i5LYVJ9c67re+zSZiZxTeXzhTHzT1UZUrsDW9Xcv0HavYK7onKHNNVL9kTdAW37u8fbLLlQS2HggW PtN7W8pqCex5AH8P+kwKR65zSOPW0bX0hHJl3pt5qfhaaZX76l03rxZKrdqipZqQlzjP5esO0tdfw lFB1971bLoHswDOIAILoF9M9etomkN1SH9dnWNAErTxq2MM485X8l1TRTfI8u0BiwwMvNWPlYiau2 vPh3C+bV5ZQ7+BVolpLSPeAiYbFFQfEOkTjPcaiynhPxMOGnQyNdL7oSMGzez70y130wEFNDN0T4i AgyayRZnGLJcxwwX7ViQ==; 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== In-Reply-To: <20230627031431.29653-1-vishal.moola@gmail.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+glpr-linux-riscv=m.gmane-mx.org@lists.infradead.org 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 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); -- 2.40.1