From patchwork Tue Jun 27 03:14:17 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vishal Moola X-Patchwork-Id: 13293918 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 66DF2EB64DD for ; Tue, 27 Jun 2023 03:18:33 +0000 (UTC) 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=5nKXCt1nkcI9cwPCEeWD+jXZ4t1ssYGklx8itHtQw5s=; b=vvBU+Gk7VrrBkx pHzU/ZMXZf12B8c1ttXMIhRL/F/pjMMaBmivRfydfGwjAQ3JwMLU835JoZ3K0c2hQ2BxMyjavS6Mm 9xM2O1zI46gA/sT0Hf4Bz2eIf18CG5kMwaXx0jFHtys5ZG2C3Z143JncU0kU2xSr98Tm5zcQpmfpT M1MACsqCS3f3bF8JPi0R/WGJQCE3lJJnaseTr1gCOo9MQl7dZZ79EF+7AjaPjXIeREBnjOh8Lmr4i TU7OHka+h6FnCw2UWkMiO3nqAilWIG9LoXV5QdjxmBPTSsRtGMnSE/b2gj2rKH/L5ykw3a6F5Rj74 42RQ8TFlEecHo8aef0jA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qDzDP-00BXzO-1K; Tue, 27 Jun 2023 03:18:03 +0000 Received: from mail-yw1-x112a.google.com ([2607:f8b0:4864:20::112a]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qDzBF-00BVwe-01; Tue, 27 Jun 2023 03:16:00 +0000 Received: by mail-yw1-x112a.google.com with SMTP id 00721157ae682-57040e313c5so62556347b3.0; Mon, 26 Jun 2023 20:15:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1687835748; x=1690427748; 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=jHkn+4hWn6cNWfQmftBQOtWQYQb9iJJIYcRZZNmu6iY=; b=pEoqTDJnBy0mCqMkui4NdE0+Cwn3eLpTYrB/bC5trNXcVXfSLt5Z5R8YIAYFQDP+fU oHaVR+r3yqYLt41ruRoFntv6iwVJI6k1WqPqr0CaczRFTmURyku+1Wh096jhdpaix/Yw TPjMea9fKHZjosCsh+ySOFuhqRhCq2RDcuYke4iWdPlhdEuluthF5cnNEQKZ+c5Hc7fG +fx7g6BPukH/s549n7Tu5GqJ8+5PFdtaVRB8v1bDc72Rwv3o28GHJ8X1zhRwfXU/u/w5 Ysny8z2GqEVJln+w7kgofDjg2/U0lPQrPRqE+xKNvOs2VewEz52G+iOBPJ4WaFg8E+aM IwPQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687835748; x=1690427748; 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=jHkn+4hWn6cNWfQmftBQOtWQYQb9iJJIYcRZZNmu6iY=; b=YU1VWALei0dbOz0tYub8CDkH6Dm7UkNpGWwPUVqVIC1spnB5he9R3d6Md5/YjelOl2 0J0FhrQ0wtwHTOSHikRipFZYsKPmdiHQDZEQVVK3s86rLs4VaUMr5y/DzVB5JyMWotb0 1Bd5fXGfCISijMpYKe7jOP+Vo+Qil9O7GJeXjdHZhZLFmBMTYpqFUPVPwEP/OSHGfNc9 sYKNRJlUJWnBuOnakRh0L4Dtzldnuew52bTqeIRLXVpAT4NqsbesalIUwGSvSgjapcM6 Dwcx9aesP4rDZeiAkaGH5ZCIXnM5NVh6mFn5eTkDhf1S/luM8C/QH/tJuINi7DU9yXYl OSMA== X-Gm-Message-State: AC+VfDy+9F2EsFMcIUfK5HVnrM0ud9a5fv9lvpwsZdt5bQmn8tY+X3ma V+niBUlfnHDNj7/Px9lhETQmI0TWKj7CtA== X-Google-Smtp-Source: ACHHUZ6p2ufkJSMv8EFIrIVima6CHOhkXf0TNdBTXqyjA7XsBDI65pfDIOBZhup550aSGjYhkYTA/w== X-Received: by 2002:a0d:d988:0:b0:56c:e260:e2d5 with SMTP id b130-20020a0dd988000000b0056ce260e2d5mr41557377ywe.7.1687835748072; Mon, 26 Jun 2023 20:15:48 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id s4-20020a0dd004000000b0057399b3bd26sm1614798ywd.33.2023.06.26.20.15.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 26 Jun 2023 20:15:47 -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)" , Catalin Marinas , Mike Rapoport Subject: [PATCH v6 19/33] arm: Convert various functions to use ptdescs Date: Mon, 26 Jun 2023 20:14:17 -0700 Message-Id: <20230627031431.29653-20-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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230626_201549_098335_751EE5D9 X-CRM114-Status: GOOD ( 12.81 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org As part of the conversions to replace pgtable constructor/destructors with ptdesc equivalents, convert various page table functions to use ptdescs. late_alloc() also uses the __get_free_pages() helper function. Convert this to use pagetable_alloc() and ptdesc_address() instead to help standardize page tables further. Signed-off-by: Vishal Moola (Oracle) Acked-by: Mike Rapoport (IBM) --- arch/arm/include/asm/tlb.h | 12 +++++++----- arch/arm/mm/mmu.c | 7 ++++--- 2 files changed, 11 insertions(+), 8 deletions(-) diff --git a/arch/arm/include/asm/tlb.h b/arch/arm/include/asm/tlb.h index b8cbe03ad260..f40d06ad5d2a 100644 --- a/arch/arm/include/asm/tlb.h +++ b/arch/arm/include/asm/tlb.h @@ -39,7 +39,9 @@ static inline void __tlb_remove_table(void *_table) static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte, unsigned long addr) { - pgtable_pte_page_dtor(pte); + struct ptdesc *ptdesc = page_ptdesc(pte); + + pagetable_pte_dtor(ptdesc); #ifndef CONFIG_ARM_LPAE /* @@ -50,17 +52,17 @@ __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte, unsigned long addr) __tlb_adjust_range(tlb, addr - PAGE_SIZE, 2 * PAGE_SIZE); #endif - tlb_remove_table(tlb, pte); + tlb_remove_ptdesc(tlb, ptdesc); } static inline void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmdp, unsigned long addr) { #ifdef CONFIG_ARM_LPAE - struct page *page = virt_to_page(pmdp); + struct ptdesc *ptdesc = virt_to_ptdesc(pmdp); - pgtable_pmd_page_dtor(page); - tlb_remove_table(tlb, page); + pagetable_pmd_dtor(ptdesc); + tlb_remove_ptdesc(tlb, ptdesc); #endif } diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 13fc4bb5f792..fdeaee30d167 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -737,11 +737,12 @@ static void __init *early_alloc(unsigned long sz) static void *__init late_alloc(unsigned long sz) { - void *ptr = (void *)__get_free_pages(GFP_PGTABLE_KERNEL, get_order(sz)); + void *ptdesc = pagetable_alloc(GFP_PGTABLE_KERNEL & ~__GFP_HIGHMEM, + get_order(sz)); - if (!ptr || !pgtable_pte_page_ctor(virt_to_page(ptr))) + if (!ptdesc || !pagetable_pte_ctor(ptdesc)) BUG(); - return ptr; + return ptdesc_to_virt(ptdesc); } static pte_t * __init arm_pte_alloc(pmd_t *pmd, unsigned long addr,