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 90C56FA372A for ; Fri, 2 Jan 2026 07:04:47 +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=je4lQVjo0TRa4ChO8FGmEMpaHfnJuzPD6DVTMrYymNQ=; b=WQoy3tvMUgGRYX B5XMGei4jvvanAjxtJumEfogTnsbLfJwVqv1ouoPccVpjYp32H4XoWjeYc1xB7NK29KP2Efw+3Gcz BW4uezIpj4jTi9igyzHRFBoWDGobPfxj8Sjs1t9QRFVoom7D4Ybv0VBQaRRKvkam9A0HeoDHGwbyk J8cD90L3oepCzPdzcSUvPDsArRjLOZtTL5M09+f5KrMkFJfNPq/8HJmG8avlRPjtwxpKxKCTvChMo 1+GYE6x44KvnFuJDN6+6TTnKc7sB8Npgfl/IvZ09Qp4h85gYyB0meRQiGPf6pLIgyowrUmVBQOIi4 jl4EO51Jh/xbk0mL0vpA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vbZDL-00000007ul8-0nCf; Fri, 02 Jan 2026 07:04:47 +0000 Received: from sea.source.kernel.org ([172.234.252.31]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vbZDH-00000007ujO-45sf; Fri, 02 Jan 2026 07:04:45 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 6618543396; Fri, 2 Jan 2026 07:04:43 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6103DC19421; Fri, 2 Jan 2026 07:04:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767337483; bh=oB6QCqWGlUcVzO7N8KoxEGaOaNJpg/wuZYHeNsCpdgU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dwqPmn4IoPX+byBLRHKkXpdQ4s2ijbsHhTbUl7kcznd54+NDLC4FuxMupYGdnAHSP duGYgsXyK3jACPgRBkEJNITSYDW9QStPNEbdUqf43L+KGtz/EB2UizR45rMFn3ASUK 3tBzY4ayH3t+D6BAHPlHoQ+02+nDdwyWgMTw57eooHix1B353uhhyHt674/kdm8Eir zx1Z35Ec90QAV18RcIt0HxrS7J2P5bglr/X1TgL4gKo91jeWB+yx/mmzYSlBKHjs3O lx8SHuNSAJvY3QbtPwoLKMpv7CgSw+K1ZBV32pHVnbxu7CPsjQrgs1+xBrxrtDeB2m gQkLbCHFWihRw== 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 18/28] sparc: introduce arch_zone_limits_init() Date: Fri, 2 Jan 2026 08:59:54 +0200 Message-ID: <20260102070005.65328-19-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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260101_230444_047322_4D48C3AD X-CRM114-Status: GOOD ( 13.91 ) X-BeenThere: linux-snps-arc@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux on Synopsys ARC Processors List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-snps-arc" Errors-To: linux-snps-arc-bounces+linux-snps-arc=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/sparc/mm/init_64.c | 6 ++++++ arch/sparc/mm/srmmu.c | 12 ++++++++---- 2 files changed, 14 insertions(+), 4 deletions(-) diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c index df9f7c444c39..fbaad449dfc9 100644 --- a/arch/sparc/mm/init_64.c +++ b/arch/sparc/mm/init_64.c @@ -2279,6 +2279,11 @@ static void __init reduce_memory(phys_addr_t limit_ram) memblock_enforce_memory_limit(limit_ram); } +void __init arch_zone_limits_init(unsigned long *max_zone_pfns) +{ + max_zone_pfns[ZONE_NORMAL] = last_valid_pfn; +} + void __init paging_init(void) { unsigned long end_pfn, shift, phys_base; @@ -2461,6 +2466,7 @@ void __init paging_init(void) max_zone_pfns[ZONE_NORMAL] = end_pfn; + arch_zone_limits_init(max_zone_pfns); free_area_init(max_zone_pfns); } diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c index f8fb4911d360..81e90151db90 100644 --- a/arch/sparc/mm/srmmu.c +++ b/arch/sparc/mm/srmmu.c @@ -884,6 +884,13 @@ static void __init map_kernel(void) void (*poke_srmmu)(void) = NULL; +void __init arch_zone_limits_init(unsigned long *max_zone_pfns) +{ + max_zone_pfns[ZONE_DMA] = max_low_pfn; + max_zone_pfns[ZONE_NORMAL] = max_low_pfn; + max_zone_pfns[ZONE_HIGHMEM] = highend_pfn; +} + void __init srmmu_paging_init(void) { int i; @@ -967,10 +974,7 @@ void __init srmmu_paging_init(void) { unsigned long max_zone_pfn[MAX_NR_ZONES] = { 0 }; - max_zone_pfn[ZONE_DMA] = max_low_pfn; - max_zone_pfn[ZONE_NORMAL] = max_low_pfn; - max_zone_pfn[ZONE_HIGHMEM] = highend_pfn; - + arch_zone_limits_init(max_zone_pfn); free_area_init(max_zone_pfn); } } -- 2.51.0 _______________________________________________ linux-snps-arc mailing list linux-snps-arc@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-snps-arc