From mboxrd@z Thu Jan 1 00:00:00 1970 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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 23A65D6D22E for ; Thu, 18 Dec 2025 15:10:00 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 5A90F6B008A; Thu, 18 Dec 2025 10:09:59 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 4BD516B008C; Thu, 18 Dec 2025 10:09:59 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 3409C6B0092; Thu, 18 Dec 2025 10:09:59 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id 22CC76B008A for ; Thu, 18 Dec 2025 10:09:59 -0500 (EST) Received: from smtpin19.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay01.hostedemail.com (Postfix) with ESMTP id DEEF11DB1D1 for ; Thu, 18 Dec 2025 15:09:58 +0000 (UTC) X-FDA: 84232926876.19.12BD4DD Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf09.hostedemail.com (Postfix) with ESMTP id E86AD140017 for ; Thu, 18 Dec 2025 15:09:56 +0000 (UTC) Authentication-Results: imf09.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=uVRFTe4j; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf09.hostedemail.com: domain of kas@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=kas@kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1766070596; a=rsa-sha256; cv=none; b=oNWQezkJrWbLedTHyarhM9uOeI8Ia3sK9lbFRu7XpzBCp8sHHIfFs0VNm6Inb80LRkaXDq BA32UUQkgMgqHT6PodywGUx/l7A1C7eLSjE7dIj7iplLvcEIojeg1sMjhuJPurGm3g8BIt TUMKiGJmzzx9GoD3zEx50izD1ZRsHc8= ARC-Authentication-Results: i=1; imf09.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=uVRFTe4j; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf09.hostedemail.com: domain of kas@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=kas@kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1766070596; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=dQd5aI2XniHm/V0D0Owx2fK41aUHIbbk8X9Bn/yomII=; b=jNehjGBsR75j8mBAH9+mIll3jT2b9AJ7CqQJKtUQMsPBdmWHnN/JQmXgMOF3Ku5Y2P4YBt o0byHWi4K+u7QXVwz/EJl0DNqrDzP2n+q2FQkOCpZmFHzTYR2uopZUdTySp2drYNAP41Q3 eS/0g3xjZN3Am1zJDJjzTce+OB/YOvY= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 07C606012B; Thu, 18 Dec 2025 15:09:56 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5EF91C4AF09; Thu, 18 Dec 2025 15:09:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1766070595; bh=G2Gy4F6FoeycA/U+pPvXXH1RbWzUZ5Scx06TlxyQkj0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=uVRFTe4jk3ut7r6wqnkj3Jxi5XLk6IYH7mPpTOUKlG7Y3AIh/jTkq62vOZBxZtQEr Bf2RVoE7/f7/kCy3bTpmCXg/yXiYyGDmwat3tVYZ60OtKCXepNqZAJLLEwynyorSma UyKcu+iPCUobh7JtvZQTqSmlZMn1X6s/hfgDT7ZcQDWlp+9VtkawDs4iCgLnojmsVQ rbfUAt8/dgPUtREpFd7Y6Gdx5Gvs2x0gV8Or/8wkHaQj1SZvFdsEwHmjfDHxbfDQ4o voktf5M/lAvOsKFFIC9nem9+NKMsbO/5ztccqBOuU0kpq/LAOM3EZ2tOwtBlW1SM4i A4sF4yTgLLb0w== Received: from phl-compute-12.internal (phl-compute-12.internal [10.202.2.52]) by mailfauth.phl.internal (Postfix) with ESMTP id AB7CDF40072; Thu, 18 Dec 2025 10:09:54 -0500 (EST) Received: from phl-frontend-03 ([10.202.2.162]) by phl-compute-12.internal (MEProxy); Thu, 18 Dec 2025 10:09:54 -0500 X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeefgedrtddtgdegheejgecutefuodetggdotefrod ftvfcurfhrohhfihhlvgemucfhrghsthforghilhdpuffrtefokffrpgfnqfghnecuuegr ihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenucfjug hrpefhvfevufffkffojghfggfgsedtkeertdertddtnecuhfhrohhmpefmihhrhihlucfu hhhuthhsvghmrghuuceokhgrsheskhgvrhhnvghlrdhorhhgqeenucggtffrrghtthgvrh hnpefhudefjeehhfektdeuvdefveejffdvhfevtddugfduffejfeeikeelhedvtedvveen ucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhgrihhlfhhrohhmpehkihhrih hllhdomhgvshhmthhprghuthhhphgvrhhsohhnrghlihhthidqudeiudduiedvieehhedq vdekgeeggeejvdekqdhkrghspeepkhgvrhhnvghlrdhorhhgsehshhhuthgvmhhovhdrnh grmhgvpdhnsggprhgtphhtthhopedvtddpmhhouggvpehsmhhtphhouhhtpdhrtghpthht oheprghkphhmsehlihhnuhigqdhfohhunhgurghtihhonhdrohhrghdprhgtphhtthhope hmuhgthhhunhdrshhonhhgsehlihhnuhigrdguvghvpdhrtghpthhtohepuggrvhhiuges khgvrhhnvghlrdhorhhgpdhrtghpthhtohepfihilhhlhiesihhnfhhrrgguvggrugdroh hrghdprhgtphhtthhopehushgrmhgrrghrihhfieegvdesghhmrghilhdrtghomhdprhgt phhtthhopehfvhgulhesghhoohhglhgvrdgtohhmpdhrtghpthhtohepohhsrghlvhgrug horhesshhushgvrdguvgdprhgtphhtthhopehrphhptheskhgvrhhnvghlrdhorhhgpdhr tghpthhtohepvhgsrggskhgrsehsuhhsvgdrtgii X-ME-Proxy: Feedback-ID: i10464835:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Thu, 18 Dec 2025 10:09:54 -0500 (EST) From: Kiryl Shutsemau To: Andrew Morton , Muchun Song , David Hildenbrand , Matthew Wilcox , Usama Arif , Frank van der Linden Cc: Oscar Salvador , Mike Rapoport , Vlastimil Babka , Lorenzo Stoakes , Zi Yan , Baoquan He , Michal Hocko , Johannes Weiner , Jonathan Corbet , kernel-team@meta.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, Kiryl Shutsemau Subject: [PATCHv2 01/14] mm: Move MAX_FOLIO_ORDER definition to mmzone.h Date: Thu, 18 Dec 2025 15:09:32 +0000 Message-ID: <20251218150949.721480-2-kas@kernel.org> X-Mailer: git-send-email 2.51.2 In-Reply-To: <20251218150949.721480-1-kas@kernel.org> References: <20251218150949.721480-1-kas@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Queue-Id: E86AD140017 X-Rspamd-Server: rspam10 X-Stat-Signature: fz6mjj6kzq6u91qemk3y8dhdpdzuno56 X-HE-Tag: 1766070596-193674 X-HE-Meta: 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 86/R61xi f4niyN+nwOuMFvEiZtJ+1hsl0ia+x2qBbBdxoqAKkAX6MR5iuBDC31w8iC2NvHVTXOaSyB3oTamO6TFqQ9kQECw2txZADqfEOkK+wPqVtt4IUGVKwhMKh0DijsxPT1l34aVI0l4UoKhmNp1HeIURdYdzNvc2bY4tMSMYKoFDtcB59aE1IKiPYrNZIcMEUcb6Ak7sqa1hlEbnhf5MDSTWlaUsmRe/6KUhCdZpzpuvZSp1cnmjTjegl26kyKCm54MgU+G4dNSbWxwQqnirB/T+iqzHBB2yhBvFNeDfez3eyEb67qCX/Hbf/Wp1OH3YbtyCrrj9jAu594VUOrl/DY4HQnVob+Q== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Move MAX_FOLIO_ORDER definition from mm.h to mmzone.h. This is preparation for adding the vmemmap_tails array to struct pglist_data, which requires MAX_FOLIO_ORDER to be available in mmzone.h. Signed-off-by: Kiryl Shutsemau --- include/linux/mm.h | 31 ------------------------------- include/linux/mmzone.h | 31 +++++++++++++++++++++++++++++++ 2 files changed, 31 insertions(+), 31 deletions(-) diff --git a/include/linux/mm.h b/include/linux/mm.h index 7c79b3369b82..2c409f583569 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -26,7 +26,6 @@ #include #include #include -#include #include #include #include @@ -2074,36 +2073,6 @@ static inline unsigned long folio_nr_pages(const struct folio *folio) return folio_large_nr_pages(folio); } -#if !defined(CONFIG_HAVE_GIGANTIC_FOLIOS) -/* - * We don't expect any folios that exceed buddy sizes (and consequently - * memory sections). - */ -#define MAX_FOLIO_ORDER MAX_PAGE_ORDER -#elif defined(CONFIG_SPARSEMEM) && !defined(CONFIG_SPARSEMEM_VMEMMAP) -/* - * Only pages within a single memory section are guaranteed to be - * contiguous. By limiting folios to a single memory section, all folio - * pages are guaranteed to be contiguous. - */ -#define MAX_FOLIO_ORDER PFN_SECTION_SHIFT -#elif defined(CONFIG_HUGETLB_PAGE) -/* - * There is no real limit on the folio size. We limit them to the maximum we - * currently expect (see CONFIG_HAVE_GIGANTIC_FOLIOS): with hugetlb, we expect - * no folios larger than 16 GiB on 64bit and 1 GiB on 32bit. - */ -#define MAX_FOLIO_ORDER get_order(IS_ENABLED(CONFIG_64BIT) ? SZ_16G : SZ_1G) -#else -/* - * Without hugetlb, gigantic folios that are bigger than a single PUD are - * currently impossible. - */ -#define MAX_FOLIO_ORDER PUD_ORDER -#endif - -#define MAX_FOLIO_NR_PAGES (1UL << MAX_FOLIO_ORDER) - /* * compound_nr() returns the number of pages in this potentially compound * page. compound_nr() can be called on a tail page, and is defined to diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 7fb7331c5725..6cfede39570a 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -23,6 +23,7 @@ #include #include #include +#include #include /* Free memory management - zoned buddy allocator. */ @@ -61,6 +62,36 @@ */ #define PAGE_ALLOC_COSTLY_ORDER 3 +#if !defined(CONFIG_HAVE_GIGANTIC_FOLIOS) +/* + * We don't expect any folios that exceed buddy sizes (and consequently + * memory sections). + */ +#define MAX_FOLIO_ORDER MAX_PAGE_ORDER +#elif defined(CONFIG_SPARSEMEM) && !defined(CONFIG_SPARSEMEM_VMEMMAP) +/* + * Only pages within a single memory section are guaranteed to be + * contiguous. By limiting folios to a single memory section, all folio + * pages are guaranteed to be contiguous. + */ +#define MAX_FOLIO_ORDER PFN_SECTION_SHIFT +#elif defined(CONFIG_HUGETLB_PAGE) +/* + * There is no real limit on the folio size. We limit them to the maximum we + * currently expect (see CONFIG_HAVE_GIGANTIC_FOLIOS): with hugetlb, we expect + * no folios larger than 16 GiB on 64bit and 1 GiB on 32bit. + */ +#define MAX_FOLIO_ORDER get_order(IS_ENABLED(CONFIG_64BIT) ? SZ_16G : SZ_1G) +#else +/* + * Without hugetlb, gigantic folios that are bigger than a single PUD are + * currently impossible. + */ +#define MAX_FOLIO_ORDER PUD_ORDER +#endif + +#define MAX_FOLIO_NR_PAGES (1UL << MAX_FOLIO_ORDER) + enum migratetype { MIGRATE_UNMOVABLE, MIGRATE_MOVABLE, -- 2.51.2