From patchwork Wed May 31 21:30:18 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vishal Moola X-Patchwork-Id: 13262645 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 368F2C7EE29 for ; Wed, 31 May 2023 21:33:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230498AbjEaVdn (ORCPT ); Wed, 31 May 2023 17:33:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39414 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231190AbjEaVcz (ORCPT ); Wed, 31 May 2023 17:32:55 -0400 Received: from mail-yw1-x112d.google.com (mail-yw1-x112d.google.com [IPv6:2607:f8b0:4864:20::112d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C541810EB; Wed, 31 May 2023 14:32:04 -0700 (PDT) Received: by mail-yw1-x112d.google.com with SMTP id 00721157ae682-565bd368e19so798247b3.1; Wed, 31 May 2023 14:32:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1685568709; x=1688160709; 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=llblHDjuRzdwObovgJjTe//ioNSPoyRpZegKgEWGdOs=; b=iH3Uuo4ydabF86Ae3Pt9mqJWCo9Mdl0v853LngJ++ms5qQhJIV2nJMOwvvj1jdSolp wkug3c5kE5OyC8B7qbo9EtOWW91dAFU5qbdW1jXEhkmIJBuTnUynbfXIOO6t9HnXXwkE IN/6ruRl/K/MZEBNhZ/CMDwD4Ey5RSIokBkrylG9gJyzM17uataBRfYABiymq5L1JBem AiofKm4cV+Hpu3+dW3nZQBqxHmZ0U8w75MqODX8zjymWwzwAB9aGsVd720nTIfH2C9wd s6EKfpFxPPWRO5hvsFIezwgeyXUB9GISVAQy5eO7rADF0ZyAn64v+X5gTI2GfoMJv3eF AD6g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1685568709; x=1688160709; 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=llblHDjuRzdwObovgJjTe//ioNSPoyRpZegKgEWGdOs=; b=LjaJxVt5u+9itWOwFJ9RgmYgty0HxzRCjCcTVnV5DYIERG1kNbTddFzvFBMPCkHd4V f/6NjLW11f6dlIw0t54uT4XwckOcmJSudRbDzy3RV77a39eSPR/CzXb3kI5IajAQFdoJ Yd/ckGuwMtvtODdXfRmS/CbNHfGgXKNSd9uQCAdW7pN5b/Q0DyqPyTpxKyWn7PWbtBXb KQ6PeEVj9XI/o3OewDPbyxjrR7gbarGUYrPJ+QJowvR7aup5Mvxh3uF4sRVDpo7GYSRC 6i++YgH0FRuOCJW2Px5mw4OGVL1qaC6+CiNTs1faBAdPMUu0l5WYOQnsr2I9pvKED3ri 18eg== X-Gm-Message-State: AC+VfDx6aT4uIfMtpoQtcL7lETTxIh6gqhmZUQy4CEdQGYTQl8Gx171i dvK8TB4lhu0D6w+On7T7iuQ= X-Google-Smtp-Source: ACHHUZ6yD6O1sbMXJdkzsJg9s7w6GLhFX5Kt5hWPrM1g6MrxSM/fcoQvLUKDHg0FsgcJPRMkk3z8xg== X-Received: by 2002:a0d:e647:0:b0:568:bca8:de50 with SMTP id p68-20020a0de647000000b00568bca8de50mr6918459ywe.17.1685568708928; Wed, 31 May 2023 14:31:48 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::46]) by smtp.googlemail.com with ESMTPSA id t63-20020a0dd142000000b0055aafcef659sm658905ywd.5.2023.05.31.14.31.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 31 May 2023 14:31:48 -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)" , Catalin Marinas Subject: [PATCH v3 20/34] arm: Convert various functions to use ptdescs Date: Wed, 31 May 2023 14:30:18 -0700 Message-Id: <20230531213032.25338-21-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230531213032.25338-1-vishal.moola@gmail.com> References: <20230531213032.25338-1-vishal.moola@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.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) --- arch/arm/include/asm/tlb.h | 12 +++++++----- arch/arm/mm/mmu.c | 6 +++--- 2 files changed, 10 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 22292cf3381c..294518fd0240 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -737,11 +737,11 @@ 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, get_order(sz)); - if (!ptr || !pgtable_pte_page_ctor(virt_to_page(ptr))) + if (!ptdesc || !pagetable_pte_ctor(ptdesc)) BUG(); - return ptr; + return ptdesc; } static pte_t * __init arm_pte_alloc(pmd_t *pmd, unsigned long addr,