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 F0EF12D061B for ; Sun, 28 Dec 2025 12:42:01 +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=1766925723; cv=none; b=dQy7xully3dWTmi4/w9zmvZwa64cKdade7balfZLwYJL8o9xhVqSKUVbnDS0jjr6BKk7Qan75R+HDJApn/k9yM2FnSvMxSaVf9ayP4Hp1UkpcGeTqf5R7wki0FMFgM9/5+dev1HolH9Id8MZnemaVoa/zzPJ1PwuZcPgJuxivnk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766925723; c=relaxed/simple; bh=3bBcyNtfu29ffLXJ+V2J2og1TMjw9NsnHxGDp+htXro=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Q5J3/wk2ozQpkIDs4sxAR6tP4gvmorJFJ23iaEmXb61dEDU04DZu/EPEUjA/rsGfMjW9B3AvbKF+cUOOiTmFhJrWctKIKpjwMmLRHQwp8sC/fvHnGp0ec1ms6z+SYaz6GjO4JtxOyQN3V4VuVibuSQ2ChzeM9C1VaZIHfFl3B5A= 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=e2IxxChb; 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="e2IxxChb" Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 9DA3041B29; Sun, 28 Dec 2025 12:42:01 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id EFAC0C4CEFB; Sun, 28 Dec 2025 12:41:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1766925721; bh=3bBcyNtfu29ffLXJ+V2J2og1TMjw9NsnHxGDp+htXro=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=e2IxxChbr+WqhxUJqacGBpmCd1PqzAy4zc9UBbcOCqdKCOk2YKVQpzwDRZKTERBC3 wU94sjxI9JDWlVCchpv68PCB3A3MtZ636tuoKpyxfT+F8knOACQljGZUyRdrNyMCa6 Zos1ZnJtxt4bcHDt1F1q+UJbJZZTnCasPetVagLUWb2eYoHs36oqib7EzzLbhHNJnv IWg6kDQ4bDLRCseuZuPrJHtRiDl5wbuF+4oXFfevHlBLLk23U57n6rxH1v9PIEs7ep KcHa8f+V+tfZVhvjeTnh7Ds3Ya2WScXP0K2wYzYOimworWvRDA3K9omtARRkSxYnMC k2jlxJmP/NZ9g== 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 07/28] loongarch: introduce arch_zone_limits_init() Date: Sun, 28 Dec 2025 14:39:37 +0200 Message-ID: <20251228124001.3624742-8-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> 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/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