From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 6EF662EB5CD; Fri, 2 Jan 2026 07:04:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767337469; cv=none; b=YyEZ0G2H5HQutVHZv/zvlsQAiiMNLeOQAUeCBO2w+1sfKGxEhBWql6aPD+CfYuY9x3LConR4XJp3zBhuJOpJ7gscmcS/RYIe9DGohCAH7XY51r5WgbPmiXoUFMh9o3UzBN6qk7fXWXSPz0mfLu7nFGKAiZI7T4k5gM8PhdjbPvU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767337469; c=relaxed/simple; bh=8ogz7O8vNIuYttKuy/nGG2q6czMHDvEeQHxuChR5AAc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=GB2erHWjFosSUIeOa/DLRya+25yiUQlKIHmOGOfgsshJ1RUuMQx8kKPsu6IQyeV52i6fngnpvFCXzQEXcGihmfbZQW9zhgXh4lnXO4X1VhPekVUvgl1taOZtq7ySuHiJx9stDeK6H6lNttnvmvhWiyjaYBnbLWuRnUZCFCAy9MI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=iAXLwpHl; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="iAXLwpHl" Received: by smtp.kernel.org (Postfix) with ESMTPSA id F20B9C116D0; Fri, 2 Jan 2026 07:04:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767337468; bh=8ogz7O8vNIuYttKuy/nGG2q6czMHDvEeQHxuChR5AAc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iAXLwpHlBrQ0GX5FPB84dmZjEy0shRVMJdKLb8mIOyYXk5rRbGGh+ed7gK32cWjdy 4mykTMeuWsDwKzi2vKzTIlQgAUI/qmTwUOxzXCie3BuY0k4YcPRN3G+//XWkSFxWPq S5Mkl0UklKeJutKgTu0AKQ1FkJPjKt08u20//SsbGdhPzr5WIr8CRc06UbJPMe/q4n 0SO7hjApCIHbpexb2+mfx0+cTLqq1aNrBSTQ92lJHeaRXBCNwfve6QnSyQiXtRcAKO q37HfhxImITqmCg7njORQbpT8iTZ7QgG7Wts5xdYjUFYaALmaqy1CiebFvSM8LzlVU Vr0aPPNoU6NZQ== 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 17/28] sh: introduce arch_zone_limits_init() Date: Fri, 2 Jan 2026 08:59:53 +0200 Message-ID: <20260102070005.65328-18-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-doc@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/sh/mm/init.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c index 99e302eeeec1..5e7e63642611 100644 --- a/arch/sh/mm/init.c +++ b/arch/sh/mm/init.c @@ -264,6 +264,11 @@ static void __init early_reserve_mem(void) reserve_crashkernel(); } +void __init arch_zone_limits_init(unsigned long *max_zone_pfns) +{ + max_zone_pfns[ZONE_NORMAL] = max_low_pfn; +} + void __init paging_init(void) { unsigned long max_zone_pfns[MAX_NR_ZONES]; @@ -322,7 +327,7 @@ void __init paging_init(void) kmap_coherent_init(); memset(max_zone_pfns, 0, sizeof(max_zone_pfns)); - max_zone_pfns[ZONE_NORMAL] = max_low_pfn; + arch_zone_limits_init(max_zone_pfns); free_area_init(max_zone_pfns); } -- 2.51.0