From patchwork Mon Aug 7 23:04:53 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vishal Moola X-Patchwork-Id: 13345357 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 536B2C04FDF for ; Mon, 7 Aug 2023 23:07:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229951AbjHGXHP (ORCPT ); Mon, 7 Aug 2023 19:07:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45094 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231164AbjHGXG0 (ORCPT ); Mon, 7 Aug 2023 19:06:26 -0400 Received: from mail-yb1-xb33.google.com (mail-yb1-xb33.google.com [IPv6:2607:f8b0:4864:20::b33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EBEF619BC; Mon, 7 Aug 2023 16:06:02 -0700 (PDT) Received: by mail-yb1-xb33.google.com with SMTP id 3f1490d57ef6-d0728058651so5368051276.1; Mon, 07 Aug 2023 16:06:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1691449540; x=1692054340; 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=XBjJ/e2vPX4j94DTkAO9XQqqbwuOMqryYrtpznFEgGY=; b=aasPlAtm5Pcd0yp6duryP473IaipZJS0bWZ4Z8XEGwFlj43AOqpIIC6FhirKlPve9C F1vUSIrLW1oYFLLrLilYCJzqaLsw1rmRGBb+Z5eKzeBY0HVz8f1HGASCxMQ2qqkeDt1/ NUUsoQwBHF6NBLlkSQcHcy9LC4jgcOdJmOlAy/6h3iyfEMCFdLo7Fk1Bu4KWGLpiNsE1 KzSFxNl6DRl46MY838sL7FF+wIJkc1YVhg5kJdFIQoWHplt5NksftMQPYk7wCakllMw/ EceX3OKTdEGMJ4GdFrkX3TffvwqD7i/AFN0kCIklmMB/JORnudk4URx0r/bcoO+F1Yl1 rD5w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1691449540; x=1692054340; 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=XBjJ/e2vPX4j94DTkAO9XQqqbwuOMqryYrtpznFEgGY=; b=athysRw1zpTQA63d2IcX0+LwErVLcnuSJztv4QxQyjCTUk24mp5Wx8jz2UTUeMsudJ t0nHCwAr4bQZiHhsF0kBMfy4UjezmpF2+3F2iMGjmGThGDp3kzx6lJ7bR/DMK9arWBKb Vrw3sqCfTF8XKkbveT0yiuSggZenZJ/92lqo69tflEW1YNKvqX85d/5WalVFQpgRko6W 4/CgUqNku+StUwDbBmEDDqoDdWb6REfNtUaAHCI7Gm3xezjW21qcdAMLlq+vsS86NSNq Xi4kgC219D2R2CTSGJ9Niy/eLZ51SQXXEBx0PK4/3VZDSa028+PifrAr6AEQ6bUU0USW BZfQ== X-Gm-Message-State: AOJu0YzNNN6HtKtt4cQDgT9zaRGYhiEWSfQSsJl0HUuvbKMkXE67+e5t tVY8n5lEsgAoj+sKAN+duwo= X-Google-Smtp-Source: AGHT+IEw8LfaxYvauKrU5QG8lz4qzDMmMrsNvSvomqfZDfXz4mmURgWJbxHCG9LEh9h57v96do4e4w== X-Received: by 2002:a25:8251:0:b0:cb9:41ad:8938 with SMTP id d17-20020a258251000000b00cb941ad8938mr12329076ybn.3.1691449540449; Mon, 07 Aug 2023 16:05:40 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id d190-20020a25cdc7000000b00d3596aca5bcsm2545203ybf.34.2023.08.07.16.05.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Aug 2023 16:05:40 -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 11/31] mm: Create ptdesc equivalents for pgtable_{pte,pmd}_page_{ctor,dtor} Date: Mon, 7 Aug 2023 16:04:53 -0700 Message-Id: <20230807230513.102486-12-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 Create pagetable_pte_ctor(), pagetable_pmd_ctor(), pagetable_pte_dtor(), and pagetable_pmd_dtor() and make the original pgtable constructor/destructors wrappers. Acked-by: Mike Rapoport (IBM) 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 94984d49ab01..6310e0c59efe 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2921,20 +2921,34 @@ 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_pgtable(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_pgtable(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)); } pte_t *__pte_offset_map(pmd_t *pmd, unsigned long addr, pmd_t *pmdvalp); @@ -3032,20 +3046,34 @@ 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_pgtable(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_pgtable(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)); } /*