From patchwork Mon Aug 7 23:04:49 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vishal Moola X-Patchwork-Id: 13345353 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 A5C9DC25B5C for ; Mon, 7 Aug 2023 23:06:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229673AbjHGXGk (ORCPT ); Mon, 7 Aug 2023 19:06:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45056 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230314AbjHGXGY (ORCPT ); Mon, 7 Aug 2023 19:06:24 -0400 Received: from mail-yb1-xb34.google.com (mail-yb1-xb34.google.com [IPv6:2607:f8b0:4864:20::b34]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AC6B419A2; Mon, 7 Aug 2023 16:05:55 -0700 (PDT) Received: by mail-yb1-xb34.google.com with SMTP id 3f1490d57ef6-d43930354bcso2766503276.3; Mon, 07 Aug 2023 16:05:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1691449532; x=1692054332; 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=dV51lKtiOhMWQgAl7GNvRpOxJtkn3o5Ia4Rm5PKGOL0=; b=WW7U9RxJoy+3YY4y3qa+Z9OsxlwmyOU3wMBaX5rDPLFmIEHt/X6v4NdYOpBq8PRkh5 HGAvbPPuVPcaXp+7bIkcS5zKLOts7aoRAq2rmpfhl809GhQ5Z7qhyD2D1O9jUw02JT8D ByQrQ+74LtD1rxejz5iV5Ji3t3biqjBaLILP+cGmcXMABNbKMRqAqcPv+Q5eVbDOwvco pnySxrcubM/hR4SWo6309aJr0ghUYXqxorm9LprpxBDG4pKG7rw8FnMSIxuCIl+L3G3f pQ7sJFVehZ1e4LudKLyLwUTD+K2Hcr+cYbBqgmDPIUau/hEmU0pgvAzvLPGNFfNzyEIP WwxA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1691449532; x=1692054332; 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=dV51lKtiOhMWQgAl7GNvRpOxJtkn3o5Ia4Rm5PKGOL0=; b=N1KiKxhNi+/gyepfJx/lQaxGMIpgl8/zb+LFKAPwYI4MW0kOUnXz7qC06tn81kcbW8 0SWwehWsaHrekjcnzr62i5j69lCPZYogZ10+PftTxbiTjQ04xAjqBV3sv+M84aavEJss mI/mDUwJTNrx7yoEsmOvSOAjkvaBeYI4sSkvGUJus9OYW/X+oX4S0OZPXZK7266KkB43 QwZjTol+Ft0Gm6rVde6zb8/U8fnblSW5IzpYiDlPZbN6+GgDgqnZPriqC93xe2Rro3pa 9/9accQDFfKyy/sI1hFfgu2uZZvmmDsPdS4hAzfCZSV5ybyk7cgndEzwsnuZcFBGB/US J80Q== X-Gm-Message-State: AOJu0YwJ4MrRR7nxvOcGTmVt5/Cdew2scjkQ/NE0VrJ3DcOl5BtzdusR 0kJwVWgtTKrxyB+ADim1H3U= X-Google-Smtp-Source: AGHT+IEvrDCY+UE05HZYU4gf4n6Ovk9myxbAlbrTcNmkwiJKi0vLSKG9giGoSfLWvI4ILhQ42gUDlQ== X-Received: by 2002:a25:bd7:0:b0:d14:6e28:69a4 with SMTP id 206-20020a250bd7000000b00d146e2869a4mr9317696ybl.29.1691449532541; Mon, 07 Aug 2023 16:05:32 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id d190-20020a25cdc7000000b00d3596aca5bcsm2545203ybf.34.2023.08.07.16.05.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Aug 2023 16:05:32 -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)" , Mike Rapoport Subject: [PATCH mm-unstable v9 07/31] mm: Convert pmd_ptlock_init() to use ptdescs Date: Mon, 7 Aug 2023 16:04:49 -0700 Message-Id: <20230807230513.102486-8-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 This removes some direct accesses to struct page, working towards splitting out struct ptdesc from struct page. Acked-by: Mike Rapoport (IBM) Signed-off-by: Vishal Moola (Oracle) --- include/linux/mm.h | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/include/linux/mm.h b/include/linux/mm.h index bc82a64e5f01..040982fe9063 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2993,12 +2993,12 @@ static inline spinlock_t *pmd_lockptr(struct mm_struct *mm, pmd_t *pmd) return ptlock_ptr(pmd_ptdesc(pmd)); } -static inline bool pmd_ptlock_init(struct page *page) +static inline bool pmd_ptlock_init(struct ptdesc *ptdesc) { #ifdef CONFIG_TRANSPARENT_HUGEPAGE - page->pmd_huge_pte = NULL; + ptdesc->pmd_huge_pte = NULL; #endif - return ptlock_init(page); + return ptlock_init(ptdesc_page(ptdesc)); } static inline void pmd_ptlock_free(struct page *page) @@ -3018,7 +3018,7 @@ static inline spinlock_t *pmd_lockptr(struct mm_struct *mm, pmd_t *pmd) return &mm->page_table_lock; } -static inline bool pmd_ptlock_init(struct page *page) { return true; } +static inline bool pmd_ptlock_init(struct ptdesc *ptdesc) { return true; } static inline void pmd_ptlock_free(struct page *page) {} #define pmd_huge_pte(mm, pmd) ((mm)->pmd_huge_pte) @@ -3034,7 +3034,7 @@ static inline spinlock_t *pmd_lock(struct mm_struct *mm, pmd_t *pmd) static inline bool pgtable_pmd_page_ctor(struct page *page) { - if (!pmd_ptlock_init(page)) + if (!pmd_ptlock_init(page_ptdesc(page))) return false; __SetPageTable(page); inc_lruvec_page_state(page, NR_PAGETABLE);