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 B7D7F2D23A5; Fri, 2 Jan 2026 07:02:05 +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=1767337325; cv=none; b=Q1UMWX8T4+AefSZDfxKrQWQD/jRNYDDxgElJQbI6p7PhD9jIxFIuQQVpvanCnpLymIJGDuojlPoMybA/ui1YpZnzwioRG1s/IEHKV6jT74lLxb3iutBiQ4c79qfw0kuhtk9FvT40oHV/Ft62MkfMypI4tZEv52ZFgJo1T/jyykM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767337325; c=relaxed/simple; bh=3bBcyNtfu29ffLXJ+V2J2og1TMjw9NsnHxGDp+htXro=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=WhYfz3Ga+vKxT4/tKIoVWPBLIGbo8zR4TEpGMFu0cIGYp3lOZ6fiX7NmizBuFeVUGHofeM5kOzSD9Nd6VkmxxXB44JY05fX7MiJQenkFwkahOiiSsnms+a0GTdbttbcE2lrq8ZZruxLQ4aiuNH8kMIKafMHY4sRA8gWUbdptBes= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=I50MNQ79; 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="I50MNQ79" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 192F8C116D0; Fri, 2 Jan 2026 07:01:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767337325; bh=3bBcyNtfu29ffLXJ+V2J2og1TMjw9NsnHxGDp+htXro=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=I50MNQ790Zq95b8S0yQ0CXud0hBoT6XVttorK01jD4dcGhZcOfyErKBL9h+EZnFDK JHpZbgNFfrGqSCJsvV0SuvqTBSorWby5FN0AQbHPlcZFbXZg8iRp4E6Op8x8VrlW3g 9NAxGlLvXsqDB9F2a65PIkUijJJKGfTVkxyw2aMxSTILIXs/q9wM+VKBXV3SjlSswf pQqujD2MT/xKyGZT/PmnUKYz5qbhZkyAKaa3W7rRWzAn7mVMvUA3plpREVkon38b5U e2uX7Gr1v3oz4QsDuUSPNQrfRFHFJmPdNoVSlmks4iPatW/a/34a2AYSRwM9QtV+LJ dAmwK3MJ/gIkQ== 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 07/28] loongarch: introduce arch_zone_limits_init() Date: Fri, 2 Jan 2026 08:59:43 +0200 Message-ID: <20260102070005.65328-8-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-alpha@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/loongarch/mm/init.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/arch/loongarch/mm/init.c b/arch/loongarch/mm/init.c index 0946662afdd6..17235f87eafb 100644 --- a/arch/loongarch/mm/init.c +++ b/arch/loongarch/mm/init.c @@ -60,15 +60,19 @@ int __ref page_is_ram(unsigned long pfn) return memblock_is_memory(addr) && !memblock_is_reserved(addr); } -void __init paging_init(void) +void __init arch_zone_limits_init(unsigned long *max_zone_pfns) { - unsigned long max_zone_pfns[MAX_NR_ZONES]; - #ifdef CONFIG_ZONE_DMA32 max_zone_pfns[ZONE_DMA32] = MAX_DMA32_PFN; #endif max_zone_pfns[ZONE_NORMAL] = max_low_pfn; +} + +void __init paging_init(void) +{ + unsigned long max_zone_pfns[MAX_NR_ZONES]; + arch_zone_limits_init(max_zone_pfns); free_area_init(max_zone_pfns); } -- 2.51.0