From patchwork Mon Apr 17 20:50:34 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vishal Moola X-Patchwork-Id: 13214614 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 D52CEC83003 for ; Mon, 17 Apr 2023 20:53:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229944AbjDQUxy (ORCPT ); Mon, 17 Apr 2023 16:53:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39920 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231181AbjDQUx2 (ORCPT ); Mon, 17 Apr 2023 16:53:28 -0400 Received: from mail-pl1-x632.google.com (mail-pl1-x632.google.com [IPv6:2607:f8b0:4864:20::632]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 243E26E82; Mon, 17 Apr 2023 13:53:12 -0700 (PDT) Received: by mail-pl1-x632.google.com with SMTP id n17so11376824pln.8; Mon, 17 Apr 2023 13:53:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1681764791; x=1684356791; 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=gfpIRfFq9zSU9T7uNfhlcYr/W6dIxhZkZgP28wF3SDA=; b=gYiTGJsq3tS0FDSy3/Ogj5YUQaoNGj6XWEQGKGQUuQuqn1egVSKA3seChXbxd6ie6X KVLVgtxbt+Gl9lkEwLQ+F+iG9Kz1ErH6Jdv2PrLPdPwp/UgBJZIaGw67YMksWIwKnmyC 7jVlh7AKx280dtpirqSUFhv9Pyd2cc0T8yO2lBO5mVRpibO3YWd6y8PCZ2jFDrnw2dOM qIyvjKI6SfUletTh72Za02rULTtpxgw/RsbeOg0p8ic4ZkVJUUvnJu+rLoRN8U3nnoDL 0yuCtQCJj2oWJ5XTJVsuTcfyXkKiXbSXxA+TapEEDARVJ5R07j+Rkpo9klzzaVdh3pXw NvCg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1681764791; x=1684356791; 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=gfpIRfFq9zSU9T7uNfhlcYr/W6dIxhZkZgP28wF3SDA=; b=br2hh4ajqO3C5IrGeKG4gU7xFpmo7V6FG4mTpzQphgKiNLSz8hl55upTY73bm7nJSH Z+/PygIF/T0jNeeIkr6CbThn7enaH9kYb95Vwa0dKwJLs4K9LvfxYrOLVhCZf52U3Ehl /kHvCKCAXCGV7s07g0bGgMORgt8/8JlsFkwTT+lkvWutviHVwa4FuxrnTfyeUGLnaR9l 54Jz+rQ8dlF+IZ0+o3OpsfKYRFB68dQMDS/z5xukaZte9H0pZiDcNa+VDDFu8eDVqxhf VoVNRtXX883c/6lg9DFXok2Ea6t9Wwwkd1CCORjmEsfhwauzH80iKEKD7n0E9bfsPy8A 3h1w== X-Gm-Message-State: AAQBX9ef+XykCYkHY+cnmLu76FZ66BISXgbaSCJxZ80B/Fp+o8qHJrih +mws+Qv5FW/3p7jpGO6lM/0LuW9TO5U8bA== X-Google-Smtp-Source: AKy350bvWV8yzhiozqrrwWcRpctJK00ZbC2YeKZYOK2IgaSQcSotd8fWuCQxrW1E1m+ogfO6p1yZ/Q== X-Received: by 2002:a17:902:b789:b0:1a6:8024:321e with SMTP id e9-20020a170902b78900b001a68024321emr189655pls.34.1681764791672; Mon, 17 Apr 2023 13:53:11 -0700 (PDT) Received: from fedora.hsd1.ca.comcast.net ([2601:644:937f:7f20::c139]) by smtp.googlemail.com with ESMTPSA id h7-20020a17090ac38700b0022335f1dae2sm7609707pjt.22.2023.04.17.13.53.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Apr 2023 13:53:11 -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 19/33] arm: Convert various functions to use ptdescs Date: Mon, 17 Apr 2023 13:50:34 -0700 Message-Id: <20230417205048.15870-20-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: 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 ptdesc_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..9ab8a6929d35 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); + + ptdesc_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); + ptdesc_pmd_dtor(ptdesc); + tlb_remove_ptdesc(tlb, ptdesc); #endif } diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 463fc2a8448f..7add505bd797 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 = ptdesc_alloc(GFP_PGTABLE_KERNEL, get_order(sz)); - if (!ptr || !pgtable_pte_page_ctor(virt_to_page(ptr))) + if (!ptdesc || !ptdesc_pte_ctor(ptdesc)) BUG(); - return ptr; + return ptdesc; } static pte_t * __init arm_pte_alloc(pmd_t *pmd, unsigned long addr,