From patchwork Mon Jul 31 17:03:02 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vishal Moola X-Patchwork-Id: 13335157 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 B2065C05052 for ; Mon, 31 Jul 2023 17:04:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233863AbjGaREU (ORCPT ); Mon, 31 Jul 2023 13:04:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58286 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233801AbjGaRDv (ORCPT ); Mon, 31 Jul 2023 13:03:51 -0400 Received: from mail-yb1-xb2f.google.com (mail-yb1-xb2f.google.com [IPv6:2607:f8b0:4864:20::b2f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0EA741BDF; Mon, 31 Jul 2023 10:03:40 -0700 (PDT) Received: by mail-yb1-xb2f.google.com with SMTP id 3f1490d57ef6-d2b8437d825so2456745276.3; Mon, 31 Jul 2023 10:03:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1690823020; x=1691427820; 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=R8qXZOyVQEehD2hSCsZpjQT5/Xf4F/brzByoll1mkB6kHNfXhJ+RcuKFwjYgA2X3Sk +7iApdQo4Cg5rRr+JdIoFqDPegtGDiAGRb35thEkDI1bUQUjq4aw+LSTgzrTpSIcmWfL bJsnhuf8GiZRZhIc6fFdHQySZ/IskewEUKqkNZ8aYCG1nKX4deKA2DfN9abSC9BVfmNb sjmF+khX55fBUw2Vqk+TxqOS6BA3VaGbAlziGVokfw/bjXQRn/YvIXdekpuhXXQ/VglV zbi9hIBXyZbJADitdtmejGR4UrX429LImbE9yX5FhLBTl4AmxfHwzr7gnLpRW2zU3ngh Rejg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690823020; x=1691427820; 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=b7Cn1kzCsnFeSPYWr3I0fD+YpUjuCU3Rs6eQHAMeNdD12SwfIrDBD1G9nGV0NdW83N HxkV9V2TdFeAR6mlVBFEu1gYMqAKrCvUJ5Ja5h+3hpVYpcGQ7qZF4sj+M+CmProokAja NJCI06bY8JzI2wunX+yvcKHWscq3SzNHkljpFmi+ptKnlklSe/m26fAOecrTxNwF6q16 m9jyenVd8sgh2PxxWfYLH0dJqB5PUs0u65vCfGI+MVsDudWYeaedrMhD0Mkhs+/1OJWI EYvGAVm5TS94culj6PSH6THmTIPRNl5rIvrfBKWbbFI2O6wSo0akqiflqzbU6K+6B0JV SN9w== X-Gm-Message-State: ABy/qLajVCioFQ9px6nU8x6uq5iwqvTdQ+lLbT3qLdj7oZgXMt1yyxw7 ZqOp9mTHaeIxeI+5915Lodc= X-Google-Smtp-Source: APBJJlG+a23ZkNAOXVkZypjt9XfAMSGYibV34A8tZ1fqqbfsROXiDspwRbZtJgVYmae4gyEjzVzU0Q== X-Received: by 2002:a05:6902:18d6:b0:c15:c55d:c26e with SMTP id ck22-20020a05690218d600b00c15c55dc26emr12586459ybb.54.1690823019726; Mon, 31 Jul 2023 10:03:39 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id x31-20020a25ac9f000000b00c832ad2e2eesm2511833ybi.60.2023.07.31.10.03.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 31 Jul 2023 10:03:39 -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 v8 01/31] mm: Add PAGE_TYPE_OP folio functions Date: Mon, 31 Jul 2023 10:03:02 -0700 Message-Id: <20230731170332.69404-2-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230731170332.69404-1-vishal.moola@gmail.com> References: <20230731170332.69404-1-vishal.moola@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org 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);