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 AF271E9410B for ; Fri, 2 Jan 2026 07:02:37 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 201806B0088; Fri, 2 Jan 2026 02:02:37 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 1CC1C6B00A0; Fri, 2 Jan 2026 02:02:37 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 0C5136B00A2; Fri, 2 Jan 2026 02:02:37 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id F16516B0088 for ; Fri, 2 Jan 2026 02:02:36 -0500 (EST) Received: from smtpin14.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay01.hostedemail.com (Postfix) with ESMTP id A415A1B110 for ; Fri, 2 Jan 2026 07:02:36 +0000 (UTC) X-FDA: 84286130712.14.EC9ECCC Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf08.hostedemail.com (Postfix) with ESMTP id EA200160005 for ; Fri, 2 Jan 2026 07:02:34 +0000 (UTC) Authentication-Results: imf08.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=esVw3TYK; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf08.hostedemail.com: domain of rppt@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=rppt@kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1767337355; a=rsa-sha256; cv=none; b=i/shNcdbFnHUzVNgCm1A476HXBiPHYgSNhHReE7JE4sxl7a1mdB5lMbn/fLHcpaULr2ZL/ blNSseYnEWPQlb0wpr/MFvfdrQNjcvwclmbFSCv38QZ/WpVy6Q5qK3IMC1RQjlpKDem5sp f09NU1VfAiNMDq/GPTYRFXMK6JnKSKo= ARC-Authentication-Results: i=1; imf08.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=esVw3TYK; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf08.hostedemail.com: domain of rppt@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=rppt@kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1767337355; 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=pyJA9x7hsheLXPu5a74j6NhGqDdAk1HT6a+T9hWh9As=; b=pPmHWbA+ovipWYihtUuNzkAUJxoU8C/5On9ya5oqjN1vHEs8fOk8WRcR/JfczgINvMDeTo E5uM34sBgNMZlp8JHE7nq0reECDnxV84frd0k6a7SSM2lO5ijtBwZLHeQSpSh/uUf8G/NY 0dhvQnDtrgLzG4W6+Y9eC9ckwzRAW9k= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 18C57417BC; Fri, 2 Jan 2026 07:02:34 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 18663C116B1; Fri, 2 Jan 2026 07:02:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767337354; bh=BaQP+Uyb/5HYpSHuMHqe6vNV+NfiesFf3EGC4lY1beM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=esVw3TYKANGcWz9BdswnN3jV33uwgwL8IHKDGMR/7IyAQVfT/CTl3CcsQ3ZKfTN4A eIn2sNeDHdSd9GGZX7P1c+KErOINIYgmweOj+gHNg54in9HGd/rbahahPk8htVwrVV RjGvwx9Jrnp+YFXOmHg5lpElgv220mnJ3usOyTqiTqTSgw7mKu3XYPy0FnI8mTHXfp 2exbx7Rwy0W9fA3Ily9xPCK0evD3T4GF+5RQAVhzRDZrNyKCbZkOLqkUuOBTO8lYms qsZzC/6JNMarmUuc1XQYowUQZ9UFiH2ijv89KcrOjwMmVuUttw/ixViDIPYM1JGSTO hqZyI8FRhz1bQ== From: Mike Rapoport To: Andrew Morton Cc: Alex Shi , Alexander Gordeev , Andreas Larsson , Borislav Petkov , Brian Cain , "Christophe Leroy (CS GROUP)" , Catalin Marinas , "David S. Miller" , Dave Hansen , David Hildenbrand , Dinh Nguyen , Geert Uytterhoeven , Guo Ren , Heiko Carstens , Helge Deller , Huacai Chen , Ingo Molnar , Johannes Berg , John Paul Adrian Glaubitz , Jonathan Corbet , "Liam R. Howlett" , Lorenzo Stoakes , Magnus Lindholm , Matt Turner , Max Filippov , Michael Ellerman , Michal Hocko , Michal Simek , Mike Rapoport , Muchun Song , Oscar Salvador , Palmer Dabbelt , Pratyush Yadav , Richard Weinberger , Russell King , Stafford Horne , Suren Baghdasaryan , Thomas Bogendoerfer , Thomas Gleixner , Vasily Gorbik , Vineet Gupta , Vlastimil Babka , Will Deacon , x86@kernel.org, linux-alpha@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-cxl@vger.kernel.org, linux-doc@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-kernel@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-mm@kvack.org, linux-openrisc@vger.kernel.org, linux-parisc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-um@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, loongarch@lists.linux.dev, sparclinux@vger.kernel.org Subject: [PATCH v2 09/28] microblaze: introduce arch_zone_limits_init() Date: Fri, 2 Jan 2026 08:59:45 +0200 Message-ID: <20260102070005.65328-10-rppt@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260102070005.65328-1-rppt@kernel.org> References: <20260102070005.65328-1-rppt@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: EA200160005 X-Rspamd-Server: rspam03 X-Stat-Signature: 8fygab3m7g6exbyhheynjdbjmnm5hfm7 X-Rspam-User: X-HE-Tag: 1767337354-410303 X-HE-Meta: U2FsdGVkX18NfwkpGCx8Grxmk9n6AXVDDJCWVRvcDCTWHJFNeoOBjgPEX7QKqZzuApa+jO7wvx9LTv4KB9w6qK614v3BeHo+H+vSzKgc6V26oz8DYL5yv9WfonekeE86QbV6cHV0d/3XETB2Zu3VisqNH63EVyuitW46rXJFan/DCtg/jCCp8CVq/SeJkocRg88CGw+uBOusqIJ3EWgc8uRV6bgSxmNIXpLfnG5KM1OTi90Cy8++eJOh2lP0T+8DSgh1WFpvXzYwyrLbAAk91HTkYU4hto+tcwXKLk1zyeEbkUtFzhyVGgmIc2LLffXBtNavHE5ynsBUpz7qxVlekvgL//fFYjoTw6AlJdmyLr4KxS0chciMMzYIEw9p8LcODmJLksgaypd3+J+D7yxk4GwVPghTlGMeIN0a2nQgDxjXNj2zseUI1ZXzC11LtEdkzexaoSg0PdQWqBoplEkCb1ngwaUzF2SNDlPkzOPJrGFcDDfzD0TvxNWZlo+eXUsk+q4wlR1qUWayqen3tDWT81oHBoMJfNJW+maAOKqE/2BtWT8ofP2pgX/psME41gpO682SsmVrOd3IaoJ6uvcDMNHWWmAFo0HHPK4lnsOmnGTbtzNBFWuJ3Dueu0Y3K+Mas2Jz+LNumOuHS+PrOIdrbTTtRsxbRAJlBQ7iv3r8Ttfv1rBFrYJFwLbYQFoecF5jCipdEH+4100t5juBpabGFEJVCxCHxVQWiaBVtyON4Ec12W7aGoZ76X5iXtXdcr4TYS60M9lrRDvUL8rpO4qiQb8BmBTQmMLG8iFXRTZxO9PoEEE61idMCuCM0p4FWcn8vFCOOH6i2jRafj6xW6Amf0J2Q7ZBHg27NCA1tuva2Mlz358h0QWxxb6EN/UVWCSl9sMQm1b1s3Dhvkuu6PnpXQ7rVJFkIQGQA7g/09l696bfJaOWRVQMTY85HAgeOocGtj3Oxk6KnVXEaTKuE4v YNSnwuOk FtfKdnykdEPRmAZX07qkMQFTxDJezilXQp6AcmRDN9RrtPPa2MJEjepEP+94+om1v0SVqzYFi8C4OU7wCNY4IHd9TDgdexmL3sK38rX+GZ8qdXV+SbDtKkubno81Q5cry/QfDgmF1XT+wUAtScIjU+blEFVxUbYp/awNrbdCe7CnLirOxQJNYGYsQHEb6lnu+LTRAry9TeMFKrxb0v/r8FZFXLEkYj16PN2LrztartT5KkPcYzeNMJ7s5Lb5pHmtx8Ii+iFvSbwSUc2ke3F520SVuVw== 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: From: "Mike Rapoport (Microsoft)" Move calculations of zone limits to a dedicated arch_zone_limits_init() function. Later MM core will use this function as an architecture specific callback during nodes and zones initialization and thus there won't be a need to call free_area_init() from every architecture. Signed-off-by: Mike Rapoport (Microsoft) --- arch/microblaze/mm/init.c | 17 +++++++++++------ 1 file changed, 11 insertions(+), 6 deletions(-) diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c index 31d475cdb1c5..54da60b81094 100644 --- a/arch/microblaze/mm/init.c +++ b/arch/microblaze/mm/init.c @@ -54,6 +54,16 @@ static void __init highmem_init(void) } #endif /* CONFIG_HIGHMEM */ +void __init arch_zone_limits_init(unsigned long *max_zone_pfns) +{ +#ifdef CONFIG_HIGHMEM + max_zone_pfns[ZONE_DMA] = max_low_pfn; + max_zone_pfns[ZONE_HIGHMEM] = max_pfn; +#else + max_zone_pfns[ZONE_DMA] = max_pfn; +#endif +} + /* * paging_init() sets up the page tables - in fact we've already done this. */ @@ -71,13 +81,8 @@ static void __init paging_init(void) #ifdef CONFIG_HIGHMEM highmem_init(); - - zones_size[ZONE_DMA] = max_low_pfn; - zones_size[ZONE_HIGHMEM] = max_pfn; -#else - zones_size[ZONE_DMA] = max_pfn; #endif - + arch_zone_limits_init(zones_size); /* We don't have holes in memory map */ free_area_init(zones_size); } -- 2.51.0