From patchwork Mon Aug 7 23:04:59 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vishal Moola X-Patchwork-Id: 13345363 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 8AB9AC25B74 for ; Mon, 7 Aug 2023 23:07:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229821AbjHGXHj (ORCPT ); Mon, 7 Aug 2023 19:07:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46170 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229640AbjHGXHJ (ORCPT ); Mon, 7 Aug 2023 19:07:09 -0400 Received: from mail-yb1-xb29.google.com (mail-yb1-xb29.google.com [IPv6:2607:f8b0:4864:20::b29]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B29351FCC; Mon, 7 Aug 2023 16:06:13 -0700 (PDT) Received: by mail-yb1-xb29.google.com with SMTP id 3f1490d57ef6-d59da7115bdso263799276.3; Mon, 07 Aug 2023 16:06:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1691449552; x=1692054352; 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=mSWx8dFer3K04xJe2FS2V6S19uUh9FiSOjAjYMXRNjw=; b=mEF5uAs6LPH63FkNSBplLFspkb60DHxm6zOnUwvAQJc3E/pOwbhAIiNFZBUYHiCsiM p2tbQp60CKHpnlFx92kmBMq0iICGLFKDwXQ0LyWNPB5CTFYLszQ4c8mEuzgfzEni9mwM Ttmf1qUiq6AjtyU7518jshwfi+pChbC60Sh5kSbXAB+lvEOcHSUd/ZfP7MFS2PgNjGFo r7Bvb+zEwdMz3ovaFVdL7n7AY1JJbQH54hsJVFdRCSvSwoDtl5zIXSCLg5x4eEWrxL65 mP+yB5DlcuhDlbUdEBdiXWCJptk41KogbXQLbDgKd5NU/tlto4itztjaP5et2Hvpw0rt 7VEA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1691449552; x=1692054352; 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=mSWx8dFer3K04xJe2FS2V6S19uUh9FiSOjAjYMXRNjw=; b=Ul2EbYoiZDnnnK5/OQTnd0EdeM1/s4FV+7iT16UpjsA/OvjlKZHiEmCV1rtwtcQ3O2 f/EMU3k4l+KtVWvRc5AOnUwNTMWLWnlw2FATQDBeUVaiLnsRwjUnAGzr+u7WmNc4BSzo 0zVZcL84gGC4oXBsvcLOBewI1dsMe/98mH+qTa7ahORI+hpGsXkM1zt6AD1lRbQQ2AIT N4afKZmS8HJGWUychkjL1yj7Y+OCU9Z8vqEgy+5EM9S+toApQch5a5tKm/cZv5Lyvop8 dotW1y27g4d7SUW+msNdhm4k1tvJwIy0Q2DYUS5iMPQWcrQxC+w9/gaxTs9Ln0uJFRFq ZEJw== X-Gm-Message-State: AOJu0YzvWQYrVUPNYM2cLVA7H34tscKN0x5RZLz7Y+bkDHx5b+4dc5FH HrZDunYtNN+y7Ad1bHRrTrU= X-Google-Smtp-Source: AGHT+IFZB5AVL/MxN7IM/ds0EZn0mK90E4BWht9Xyb7zBcTjMbr/Qp8cCY+l+/2imbi83tiWiC1i0w== X-Received: by 2002:a25:4e05:0:b0:d12:3108:f90f with SMTP id c5-20020a254e05000000b00d123108f90fmr10423741ybb.24.1691449552662; Mon, 07 Aug 2023 16:05:52 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id d190-20020a25cdc7000000b00d3596aca5bcsm2545203ybf.34.2023.08.07.16.05.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Aug 2023 16:05:52 -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 mm-unstable v9 17/31] arm: Convert various functions to use ptdescs Date: Mon, 7 Aug 2023 16:04:59 -0700 Message-Id: <20230807230513.102486-18-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230807230513.102486-1-vishal.moola@gmail.com> References: <20230807230513.102486-1-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. Acked-by: Mike Rapoport (IBM) Signed-off-by: Vishal Moola (Oracle) --- 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 c9981c23e8e9..674ed71573a8 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,