From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Vishal Moola (Oracle)" Subject: [PATCH v4 01/34] mm: Add PAGE_TYPE_OP folio functions Date: Mon, 12 Jun 2023 14:03:50 -0700 Message-ID: <20230612210423.18611-2-vishal.moola@gmail.com> References: <20230612210423.18611-1-vishal.moola@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=+aCGBSWuzmKqe0rnRUp/YLC/rK6xSAdfvnojxgO5ksU=; b=UrsTQmV8Uo4iYO 33R5cgpwDJOFhr5b4k1D6e4VTg+1BJ+wrp4siu8K6ZW7Gm81OebySei8vPXrX0ZIj0/+4vP4QSeYS F8CT48VvLW7mr01TE6SLMMSXKuzRqMBkQtsqxluiJgveI9HaOwJHJzKavu4C17bqJvmNjmyHKi+A8 LSwdIOLUySZqdgrY3nNOC89NWujJ0l2XU71M3DAalM6f9rExca9kFFhpMm62iiCopy360oXFcKvIJ cF3qQ0KzxnhdWeD1v82zV/ytkWR0Mtc1nx+jv9Ifgb2NYiBLoB0ZjNsOJ9UbYHwB/Ke1VrAtbrUxd XpO2uyjvrOOntXWnNPug==; DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1686603888; x=1689195888; 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=bX969DJmm0QSNKJIBN0sjsA5M6jg25Ht5D0PDUGbnFg=; b=DHb+SR7KsGRi1DGfvFeb/cxlVpv7zXU0kX0me32XsqA75bRQ7Qg4ZCnHwXeAm+exma RyCRKTUKX0JKCLOqpLW0CXYvPaKDD9+dZndIAXIpXSKQZglxAQokLHyvAtkIDeRJVqHB 93y59nGI8Llned7VxveKPhJ65jNvn/1ZERJFDahHCyrGnH91U4DjxWNrantb6oBNpN6U mc695USGNTsgQHXOo9YrYcYMEcbqRFQyfPiEiGMLPB7dp4D7SFOp0ccqCy0RMalipiJb VM0Bf5j8094tpGlxI2i0lahWPWShioW25k+D4Vvon+EHV5/1d2e6qLRJOoGvyJt4DN4r Rfxg== In-Reply-To: <20230612210423.18611-1-vishal.moola@gmail.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+glpr-linux-riscv=m.gmane-mx.org@lists.infradead.org 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)" 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) --- include/linux/page-flags.h | 20 ++++++++++++++++++-- 1 file changed, 18 insertions(+), 2 deletions(-) diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index 92a2063a0a23..e99a616b9bcd 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) { @@ -920,20 +922,34 @@ static inline int page_has_type(struct page *page) } #define PAGE_TYPE_OPS(uname, lname) \ -static __always_inline int Page##uname(struct page *page) \ +static __always_inline int Page##uname(const struct page *page) \ { \ return PageType(page, PG_##lname); \ } \ +static __always_inline int folio_test_##lname(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_##lname(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_##lname(struct folio *folio) \ +{ \ + VM_BUG_ON_FOLIO(!folio_test_##lname(folio), folio); \ + folio->page.page_type |= PG_##lname; \ +} \ /* * PageBuddy() indicates that the page is free and in the buddy system -- 2.40.1