From patchwork Wed May 31 21:30:11 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vishal Moola X-Patchwork-Id: 13262640 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 6D2E1C7EE2D for ; Wed, 31 May 2023 21:32:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231167AbjEaVcu (ORCPT ); Wed, 31 May 2023 17:32:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39782 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230482AbjEaVcB (ORCPT ); Wed, 31 May 2023 17:32:01 -0400 Received: from mail-yw1-x1131.google.com (mail-yw1-x1131.google.com [IPv6:2607:f8b0:4864:20::1131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E0543E5A; Wed, 31 May 2023 14:31:35 -0700 (PDT) Received: by mail-yw1-x1131.google.com with SMTP id 00721157ae682-568a1011488so971507b3.0; Wed, 31 May 2023 14:31:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1685568695; x=1688160695; 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=1oaubVECbDcpncGofy3SyRxI7NQgpixW3FZHbyn9Yjk=; b=ditcnS71SBC9ni8k286RH+lbOQgfG7PCRFPFB/+gsGtd91WJDFwTiqS8wSFxx5SqNm NDEu55kAliwqkv4+OeAiBx4Dtlk6APsI2JGOnAuJmD3QcfvBggdvrn23yK3wDSKM6a8t e32asmJ/Rn3K4ua1Ni58ZwRhYlStsE+77Viu6GCYO1u0Ujf908XsQZtJlTqrHFJAkKkK Mjajw5BTeegwx0KghNxbnl2uzVS9ZiBwBGYnqna7EVzWEplqQfDV4S8WEKdXyIryNNy8 tJSCeZKUks8IOUQQh+yhMBSuygAiQUvt/2CrjYMsfZwcI4YczZhuoKfku3jgAV+GNYVx ktNA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1685568695; x=1688160695; 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=1oaubVECbDcpncGofy3SyRxI7NQgpixW3FZHbyn9Yjk=; b=AS4G6NLZrPkE4UeYPo7vh33GXw86t4CIbqu63pjfKWPmoAi2B2Wvx9JTvcfFfhhOPT l02vCjAajzeXsYEBouQKlkRpqHIuQa3fXDykUKk38d9FrWb2g/kODFDAZkmhWbw8NNWV GlqaPhsfKUYHuhP5qhrpxCLwqNkr2co4nsK+bY3LxxIneXklhBVJIYgf51S3XQ1GjhEP DfVBJs1GVHVWgGPEyScMTIT6Yf2jvTahirva0fZpybNH8VlPqKfePoXbKCi46AlEaAJR 61C0NG84KC7WDafPXaeqffo8UPYqut6hv6EoHOM5DeUPixVRMRJcSLeovADmLFd+swuU 2Z+g== X-Gm-Message-State: AC+VfDxdWbMVfUDojQBtjMCFnSOKExHrNrP6aEUgurvFwa57BF3Q2vs6 hFgx6rnKspjiLXtbmLHSzbc= X-Google-Smtp-Source: ACHHUZ5aCiPljYuheD8NnJvwTTWKzTm6/fHh7z9wHXOX5DNM+ib+INiEbpn3KPIafpnwazjaJRxT7w== X-Received: by 2002:a81:5294:0:b0:561:e540:b1b3 with SMTP id g142-20020a815294000000b00561e540b1b3mr7813627ywb.38.1685568694951; Wed, 31 May 2023 14:31:34 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::46]) by smtp.googlemail.com with ESMTPSA id t63-20020a0dd142000000b0055aafcef659sm658905ywd.5.2023.05.31.14.31.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 31 May 2023 14:31:34 -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 v3 13/34] mm: Create ptdesc equivalents for pgtable_{pte,pmd}_page_{ctor,dtor} Date: Wed, 31 May 2023 14:30:11 -0700 Message-Id: <20230531213032.25338-14-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 Creates pagetable_pte_ctor(), pagetable_pmd_ctor(), pagetable_pte_dtor(), and pagetable_pmd_dtor() and make the original pgtable constructor/destructors wrappers. Signed-off-by: Vishal Moola (Oracle) --- include/linux/mm.h | 56 ++++++++++++++++++++++++++++++++++------------ 1 file changed, 42 insertions(+), 14 deletions(-) diff --git a/include/linux/mm.h b/include/linux/mm.h index 72725aa6c30d..2c7d27348ea9 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2867,20 +2867,34 @@ static inline bool ptlock_init(struct ptdesc *ptdesc) { return true; } static inline void ptlock_free(struct ptdesc *ptdesc) {} #endif /* USE_SPLIT_PTE_PTLOCKS */ -static inline bool pgtable_pte_page_ctor(struct page *page) +static inline bool pagetable_pte_ctor(struct ptdesc *ptdesc) { - if (!ptlock_init(page_ptdesc(page))) + struct folio *folio = ptdesc_folio(ptdesc); + + if (!ptlock_init(ptdesc)) return false; - __SetPageTable(page); - inc_lruvec_page_state(page, NR_PAGETABLE); + __folio_set_table(folio); + lruvec_stat_add_folio(folio, NR_PAGETABLE); return true; } +static inline bool pgtable_pte_page_ctor(struct page *page) +{ + return pagetable_pte_ctor(page_ptdesc(page)); +} + +static inline void pagetable_pte_dtor(struct ptdesc *ptdesc) +{ + struct folio *folio = ptdesc_folio(ptdesc); + + ptlock_free(ptdesc); + __folio_clear_table(folio); + lruvec_stat_sub_folio(folio, NR_PAGETABLE); +} + static inline void pgtable_pte_page_dtor(struct page *page) { - ptlock_free(page_ptdesc(page)); - __ClearPageTable(page); - dec_lruvec_page_state(page, NR_PAGETABLE); + pagetable_pte_dtor(page_ptdesc(page)); } #define pte_offset_map_lock(mm, pmd, address, ptlp) \ @@ -2962,20 +2976,34 @@ static inline spinlock_t *pmd_lock(struct mm_struct *mm, pmd_t *pmd) return ptl; } -static inline bool pgtable_pmd_page_ctor(struct page *page) +static inline bool pagetable_pmd_ctor(struct ptdesc *ptdesc) { - if (!pmd_ptlock_init(page_ptdesc(page))) + struct folio *folio = ptdesc_folio(ptdesc); + + if (!pmd_ptlock_init(ptdesc)) return false; - __SetPageTable(page); - inc_lruvec_page_state(page, NR_PAGETABLE); + __folio_set_table(folio); + lruvec_stat_add_folio(folio, NR_PAGETABLE); return true; } +static inline bool pgtable_pmd_page_ctor(struct page *page) +{ + return pagetable_pmd_ctor(page_ptdesc(page)); +} + +static inline void pagetable_pmd_dtor(struct ptdesc *ptdesc) +{ + struct folio *folio = ptdesc_folio(ptdesc); + + pmd_ptlock_free(ptdesc); + __folio_clear_table(folio); + lruvec_stat_sub_folio(folio, NR_PAGETABLE); +} + static inline void pgtable_pmd_page_dtor(struct page *page) { - pmd_ptlock_free(page_ptdesc(page)); - __ClearPageTable(page); - dec_lruvec_page_state(page, NR_PAGETABLE); + pagetable_pmd_dtor(page_ptdesc(page)); } /*