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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1A7B2E8FDBE for ; Sun, 28 Dec 2025 12:45:03 +0000 (UTC) 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=NdI7Sd0XXJz/c0PyS5sDgLTTbde8Cq3auYO8cadM3gs=; b=pHpnPdXFCNtaqR B308TQHy9w/YuCHGGih3FkGQxLIfYZkiVRD4aJ86FUxxq6JuM5OUeEPYt1BG730fcjDgmsNhV+B05 V34/3kUGCzlzhynEz5bSsbRo80l7MUm9PxdmmspB4GD/yl7iJvmswRW7GAUTMR2/rKCcyo7GJc3/i vPmMaWK2N8+kr99ZGtGclaQf7iPfuZgW1qVUkUiyAQs2lj9evVXRfXuf1UfLeOwJVWAZsGmhw4hSp B+i9/mOrolBdkNRyMiVZHNN/RM9/ZWDKqGbZ/1wWdg4i1CIahkOi5NX5QjGQiEbqJWWhvdXmd3x4v fp4bIOzk6jsJVrn0Rw9g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vZq8i-00000002jYB-3tu1; Sun, 28 Dec 2025 12:44:52 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vZq8g-00000002jWw-3quO; Sun, 28 Dec 2025 12:44:51 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 4799960055; Sun, 28 Dec 2025 12:44:50 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6F9D2C4CEFB; Sun, 28 Dec 2025 12:44:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1766925890; bh=2fA0ShJu41IpFxgmfkKiNARLhjMIlJQdtqcPZZQwJv0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mEm8Nhjfa6WWs8SePkiyzNds8GzMMs1SPN2jgDBA0dfwWgdDDslcRJD+GKgSW45/y GbOIkT3BV+fa0vU0kDDKhS3+67JuiXWIW4Jsc1AdG/WqHKxcYGMJ2iho93EdLWkZ+8 7mLE0tTFcfOqarDYFmF/qKg7Lu5I3f8nFV59M5Cxc1IR5mODrC7xvNCnlv31ejHDTp rpLdvktJ3vP3bXGEZcAI0t9PA3nYG61tLbt8rOZz3BeRqoMyqdkKWS7HkdolRjw6xP eMud/Jg+SPNHEg6cwsztEiHEgwUj3LbkXHwARzJa2ZS3UUDjlhRzvC1p8pt/D/jIhJ fb4ImkZ5vEPpg== 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 19/28] um: introduce arch_zone_limits_init() Date: Sun, 28 Dec 2025 14:39:49 +0200 Message-ID: <20251228124001.3624742-20-rppt@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251228124001.3624742-1-rppt@kernel.org> References: <20251228124001.3624742-1-rppt@kernel.org> MIME-Version: 1.0 X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org 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/um/kernel/mem.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c index 39c4a7e21c6f..2ac4e9debedd 100644 --- a/arch/um/kernel/mem.c +++ b/arch/um/kernel/mem.c @@ -84,6 +84,11 @@ void __init mem_init(void) kmalloc_ok = 1; } +void __init arch_zone_limits_init(unsigned long *max_zone_pfns) +{ + max_zone_pfns[ZONE_NORMAL] = high_physmem >> PAGE_SHIFT; +} + void __init paging_init(void) { unsigned long max_zone_pfn[MAX_NR_ZONES] = { 0 }; @@ -94,7 +99,7 @@ void __init paging_init(void) panic("%s: Failed to allocate %lu bytes align=%lx\n", __func__, PAGE_SIZE, PAGE_SIZE); - max_zone_pfn[ZONE_NORMAL] = high_physmem >> PAGE_SHIFT; + arch_zone_limits_init(max_zone_pfn); free_area_init(max_zone_pfn); } -- 2.51.0 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv