From patchwork Tue Jun 27 03:13:59 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vishal Moola X-Patchwork-Id: 13293746 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 lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5700EC00528 for ; Tue, 27 Jun 2023 03:15:42 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.555683.867618 (Exim 4.92) (envelope-from ) id 1qDzAh-00045F-0H; Tue, 27 Jun 2023 03:15:15 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 555683.867618; Tue, 27 Jun 2023 03:15:14 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qDzAg-000458-TS; Tue, 27 Jun 2023 03:15:14 +0000 Received: by outflank-mailman (input) for mailman id 555683; Tue, 27 Jun 2023 03:15:14 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qDzAf-0003uL-WF for xen-devel@lists.xenproject.org; Tue, 27 Jun 2023 03:15:14 +0000 Received: from mail-yw1-x1129.google.com (mail-yw1-x1129.google.com [2607:f8b0:4864:20::1129]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id d30baba6-1498-11ee-8611-37d641c3527e; Tue, 27 Jun 2023 05:15:11 +0200 (CEST) Received: by mail-yw1-x1129.google.com with SMTP id 00721157ae682-57015b368c3so30863617b3.3 for ; Mon, 26 Jun 2023 20:15:11 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id s4-20020a0dd004000000b0057399b3bd26sm1614798ywd.33.2023.06.26.20.15.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 26 Jun 2023 20:15:09 -0700 (PDT) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: d30baba6-1498-11ee-8611-37d641c3527e DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1687835710; x=1690427710; 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=DXYENedStYVsFXpaqy8X3+wmlabVR1q8JHyD5+dxFj0=; b=Y5YNwg/QZrK+aHp3q3F/s+zHvk1fnDqd1/MV2/FtyEws8x/EU1okIb5gZ0g0bwjJIl 5VUUqN9Wuh0HLMtWdAEYbmMx90i6AJPptQg4hAlIbSGwOvljd5Q6n3O/2f8tA77gBCdK YDhNGdvPzlezHyk8L+H+QUfnc3k/4+57L174UxCkkys5LGiYJFRoujM3bGB1Ibcn91ui mqfwiux2PkGJoz2g2vjn5ccwHyr655voiBf0XjjuTxpjhEe8LJcN7Q6CvIBEB03riKFC EsDpQXncNNWQyJs9hFhiDQn510NXqp1Pgv3vGtCcL2I6tmdj8XTW1jmQN/FUgbsQGPmI XxjQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687835710; x=1690427710; 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=DXYENedStYVsFXpaqy8X3+wmlabVR1q8JHyD5+dxFj0=; b=Xn/7qR5c7635679ceaB6D8+Rv5PfivHBcCSaMMdPNjrSKEZtDMfSy9xcQvLW/vSEUo 1EiHzz4iD1gUPx0C18vPew0NU7dk+wSnklNPo6W6PUQRcHAhyKKB1OrgkdCkooYqfyEG rclP/RFrAB2bAPnRsLFSwDK4B9ufc/bvgu3/JMNyYvSLjQq3uy7vDUz5lARt8p+9Oz2/ QrpnIibahP2N+s0/DbyiBtg9KEPTzDQCuFEdFsnfPFY0vy3p2b7ukHveMRMAhjgxEi28 pOSHCBu+rStJ/I9QM+/lQ3nGR+hmv68/nWC4McKpmQDUPtXmBbPFvY8JYOaluGFdh/H1 6cyQ== X-Gm-Message-State: AC+VfDy6JlZw0uF+HEjW8zOW7puHpfPMGbOrycg0CSMUpS94cIK9Qx0v ACm8gJAhuwg8d0E/R1ZSkbmJVEOYJ4hegQ== X-Google-Smtp-Source: ACHHUZ6evDL0HWuUOw/E7eS1sxmpRauJbQh+5KyxG9iaYPnpfZgG5Wrtu7krHuwGR/MT62H3t8vWEA== X-Received: by 2002:a0d:d681:0:b0:561:81b:7319 with SMTP id y123-20020a0dd681000000b00561081b7319mr25124050ywd.32.1687835709872; Mon, 26 Jun 2023 20:15:09 -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 v6 01/33] mm: Add PAGE_TYPE_OP folio functions Date: Mon, 26 Jun 2023 20:13:59 -0700 Message-Id: <20230627031431.29653-2-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230627031431.29653-1-vishal.moola@gmail.com> References: <20230627031431.29653-1-vishal.moola@gmail.com> MIME-Version: 1.0 No folio equivalents for page type operations have been defined, so define them for later folio conversions. Also changes the Page##uname macros to take in const struct page* since we only read the memory here. Signed-off-by: Vishal Moola (Oracle) Acked-by: Mike Rapoport (IBM) --- include/linux/page-flags.h | 30 +++++++++++++++++++++++------- 1 file changed, 23 insertions(+), 7 deletions(-) diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index 92a2063a0a23..9218028caf33 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -908,6 +908,8 @@ static inline bool is_page_hwpoison(struct page *page) #define PageType(page, flag) \ ((page->page_type & (PAGE_TYPE_BASE | flag)) == PAGE_TYPE_BASE) +#define folio_test_type(folio, flag) \ + ((folio->page.page_type & (PAGE_TYPE_BASE | flag)) == PAGE_TYPE_BASE) static inline int page_type_has_type(unsigned int page_type) { @@ -919,27 +921,41 @@ static inline int page_has_type(struct page *page) return page_type_has_type(page->page_type); } -#define PAGE_TYPE_OPS(uname, lname) \ -static __always_inline int Page##uname(struct page *page) \ +#define PAGE_TYPE_OPS(uname, lname, fname) \ +static __always_inline int Page##uname(const struct page *page) \ { \ return PageType(page, PG_##lname); \ } \ +static __always_inline int folio_test_##fname(const struct folio *folio)\ +{ \ + return folio_test_type(folio, PG_##lname); \ +} \ static __always_inline void __SetPage##uname(struct page *page) \ { \ VM_BUG_ON_PAGE(!PageType(page, 0), page); \ page->page_type &= ~PG_##lname; \ } \ +static __always_inline void __folio_set_##fname(struct folio *folio) \ +{ \ + VM_BUG_ON_FOLIO(!folio_test_type(folio, 0), folio); \ + folio->page.page_type &= ~PG_##lname; \ +} \ static __always_inline void __ClearPage##uname(struct page *page) \ { \ VM_BUG_ON_PAGE(!Page##uname(page), page); \ page->page_type |= PG_##lname; \ -} +} \ +static __always_inline void __folio_clear_##fname(struct folio *folio) \ +{ \ + VM_BUG_ON_FOLIO(!folio_test_##fname(folio), folio); \ + folio->page.page_type |= PG_##lname; \ +} \ /* * PageBuddy() indicates that the page is free and in the buddy system * (see mm/page_alloc.c). */ -PAGE_TYPE_OPS(Buddy, buddy) +PAGE_TYPE_OPS(Buddy, buddy, buddy) /* * PageOffline() indicates that the page is logically offline although the @@ -963,7 +979,7 @@ PAGE_TYPE_OPS(Buddy, buddy) * pages should check PageOffline() and synchronize with such drivers using * page_offline_freeze()/page_offline_thaw(). */ -PAGE_TYPE_OPS(Offline, offline) +PAGE_TYPE_OPS(Offline, offline, offline) extern void page_offline_freeze(void); extern void page_offline_thaw(void); @@ -973,12 +989,12 @@ extern void page_offline_end(void); /* * Marks pages in use as page tables. */ -PAGE_TYPE_OPS(Table, table) +PAGE_TYPE_OPS(Table, table, pgtable) /* * Marks guardpages used with debug_pagealloc. */ -PAGE_TYPE_OPS(Guard, guard) +PAGE_TYPE_OPS(Guard, guard, guard) extern bool is_free_buddy_page(struct page *page);