From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4BE2F2D878D for ; Fri, 2 Jan 2026 07:02:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=172.234.252.31 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767337355; cv=none; b=kOTLeTGulfr3QXYEaypOTZgt/Q8GgPjZ2ClzpzUtvPiM2N7Ek32Jph4nEccIxHx+dYXy05h6XHAS/7BkfZcagEaiEQcIuuhG2PX1iGkYGm/ja94JOf9lbtbLDyCbRi95LfxA+pkUPzBgKRU3/+7owAj0iQyHFY6LOhR8TY1my8Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767337355; c=relaxed/simple; bh=BaQP+Uyb/5HYpSHuMHqe6vNV+NfiesFf3EGC4lY1beM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=nJA/HZj3/xu5j5t+Hbo36deXPan6MZ/ezJUUL4SMPECCqxvgilriV87/0ZdT8d3sh2+dT/XL9SYBGmPtd9U0iTwh7cB9MsJKnPlqMBg/mMswF909gMx0FkmvVQQGbYU34qW4WKq/2ATmZMWQuGMdbx+yzZRet+a4BkuabCqpQ7c= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org; spf=pass smtp.mailfrom=kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=esVw3TYK; arc=none smtp.client-ip=172.234.252.31 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kernel.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="esVw3TYK" 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> Precedence: bulk X-Mailing-List: linux-m68k@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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