From patchwork Mon May 1 19:27:56 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vishal Moola X-Patchwork-Id: 13227973 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 2589BC7EE2D for ; Mon, 1 May 2023 19:29:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233201AbjEAT3W (ORCPT ); Mon, 1 May 2023 15:29:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56316 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233175AbjEAT3N (ORCPT ); Mon, 1 May 2023 15:29:13 -0400 Received: from mail-pf1-x42e.google.com (mail-pf1-x42e.google.com [IPv6:2607:f8b0:4864:20::42e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 520752D47; Mon, 1 May 2023 12:28:40 -0700 (PDT) Received: by mail-pf1-x42e.google.com with SMTP id d2e1a72fcca58-63b4bf2d74aso1995185b3a.2; Mon, 01 May 2023 12:28:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1682969316; x=1685561316; 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=9i6mX6BOTgb2TGO86QCloW3rCrq78sBOKu0dxXwRHVs=; b=pYnEspIgQ/94L4B7QgE7HxUaLyMe6HQnu5gVv7XKe7wrHmtTwaLadWDte57s2SBwdQ 8bePLJ5Ai3/AmYhH4RiAfK8IjGb+8BxlohLn4+W6ycJ9Pg3WMvHLkkZOviW7YYTD/mmK GtZnk734H4mZvUq9Iut38ZejJnfrw2oYgWeCZ6PRbVlgoGyBpRA67FKhICj+7yH7j8HF a3LIP2IDGGOTftrbrsZRq8EQiQ5R1WymqweCw9yu0t92fclq88jf6kqwtf3FextynpJY IncHO/7Qw6ErlKR7f7HeTzuXXgCmLczBJBgXHLIbesev1rm2mkGmxXqiRqgTqpx3oce1 ZBnQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1682969316; x=1685561316; 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=9i6mX6BOTgb2TGO86QCloW3rCrq78sBOKu0dxXwRHVs=; b=et7CgAmJf9iYlnCgL1EQQupBdYCfB2jF95hm586dSvs5bOF1zMtELeP/4r2VkRylI7 0gWN1deTdLHbdL4kTQURpPvHtL/Dsz8tFnKv35PhhYPVP6GVz4M8WJdSwTd5iYigD6+V 8X3lmbnOLcG9EtMhQmHWrkkVicqp5Nf6dprUTpH0uSN3djUqcGYR6f/35cg4crzv4SsG ubzLaJzekRD0Aw8Ysq7AYvRAqSHeXpeLTzCmr4vTYTPxz2AZRLTQk9P31WCHrbvK022K ojqP/tNXP0XPFntaYfP6+pFOx2Tw3O+vmAj+92VQmXmB5cTnDtlXqIqXCS1u3OkJN9oh QEtw== X-Gm-Message-State: AC+VfDxE+zGj+seA3Hjs45dHa034Pl5MK6v/rvMcgNoV6Q0cZe+fHuFA xPB66/RhO+0R8fAJ8EyTsvg= X-Google-Smtp-Source: ACHHUZ4H6i4St7ld1wD0WuHlGapRQhff/8tSAzzBd7XutE+/MiRiNA1zmkp/wHjGquMcgELZnMsxdQ== X-Received: by 2002:a17:903:1c3:b0:1a9:80a0:47dc with SMTP id e3-20020a17090301c300b001a980a047dcmr15039374plh.3.1682969315645; Mon, 01 May 2023 12:28:35 -0700 (PDT) Received: from fedora.hsd1.ca.comcast.net ([2601:644:937f:7f20::9a2c]) by smtp.googlemail.com with ESMTPSA id u8-20020a170902bf4800b0019c13d032d8sm18175622pls.253.2023.05.01.12.28.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 01 May 2023 12:28:35 -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 v2 01/34] mm: Add PAGE_TYPE_OP folio functions Date: Mon, 1 May 2023 12:27:56 -0700 Message-Id: <20230501192829.17086-2-vishal.moola@gmail.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230501192829.17086-1-vishal.moola@gmail.com> References: <20230501192829.17086-1-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) --- 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 1c68d67b832f..607b495d1b57 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -902,6 +902,8 @@ 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) { @@ -914,20 +916,34 @@ 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