From patchwork Mon Jun 12 21:03:50 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vishal Moola X-Patchwork-Id: 13277498 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 234D2C88CBB for ; Mon, 12 Jun 2023 21:08:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238816AbjFLVIE (ORCPT ); Mon, 12 Jun 2023 17:08:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56680 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238712AbjFLVHv (ORCPT ); Mon, 12 Jun 2023 17:07:51 -0400 Received: from mail-yw1-x1130.google.com (mail-yw1-x1130.google.com [IPv6:2607:f8b0:4864:20::1130]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 03A53171D; Mon, 12 Jun 2023 14:04:49 -0700 (PDT) Received: by mail-yw1-x1130.google.com with SMTP id 00721157ae682-56d17a5d786so19484627b3.1; Mon, 12 Jun 2023 14:04:48 -0700 (PDT) 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== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686603888; x=1689195888; 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=bX969DJmm0QSNKJIBN0sjsA5M6jg25Ht5D0PDUGbnFg=; b=FFmwkTFwa0A391NSYdQ5yq/7UC9RFw50WYuU04pax2NMuDcMHijatj+GyWVrmLKDng gPZyXoO/AGxo/lT+CqgcP+pjBUKYxFTVUm7nm96Ban9b70b24zMQovRlCNJngU5HcgLm Yy1Ged1Wzd1B3yQ6UqgLPd9ZL2EDtrkGefTuGaMKnO6lplNA5DXbJ6uaxpUbSBbplkJM XUrW2Ad4Cf1knD4wmqDHTbSxNCBdqEibrD57wR/7KIUImFoVOYkPdwkZtOcKYlpyPeFA pj9/hWjkjEDcKO8SxGRT6gqDdkzBgiFIkp5WbH9mLPn86Gx37dEm3H9PrJ9KTEI/uDVl K8sg== X-Gm-Message-State: AC+VfDyKBFef6CT7uz2fbmSEP0qkB6E7nuOxM4hH4TUG3XgufsOwKl4T JgrggQK9qnfjqDzijqbFCys= X-Google-Smtp-Source: ACHHUZ5kzgqtkXUhDflMob/cxrmRbtpI6j8wouGy2iBpxpeE5xKDHT022OIAglde1HGCV3lUDObTDw== X-Received: by 2002:a81:8406:0:b0:56d:858:7d04 with SMTP id u6-20020a818406000000b0056d08587d04mr5203603ywf.51.1686603888124; Mon, 12 Jun 2023 14:04:48 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id s125-20020a817783000000b00569eb609458sm2757115ywc.81.2023.06.12.14.04.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 12 Jun 2023 14:04:47 -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)" 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> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230612210423.18611-1-vishal.moola@gmail.com> References: <20230612210423.18611-1-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 | 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