From nobody Sun Feb 8 18:49:09 2026 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 D662B2C326B; Sun, 28 Dec 2025 12:42:01 +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=1766925722; cv=none; b=Bwq6RmrrqB6r15l/rp064kde0DMYVp6RZdNppTaQuQIrNwy14+R8ld+oljA8FgPbJ2T64E43n1k+lErwidmGc8A8Oc0tqzvbBBGIpy36gFFcEB4PMkz734kbm+oHxMxXCMjKsK8m5SWFZidBj3/NzJQ+9B5B2IEAbTA0KJcKBK8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766925722; c=relaxed/simple; bh=3bBcyNtfu29ffLXJ+V2J2og1TMjw9NsnHxGDp+htXro=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=LHRhO/YGEywS/8OCrLW45dDndmWKmDWgwcpkmiEGM9WWXSChvHnojnSVrgEq6JLeB1LTZspQmP4diTUR4+LR6/0lgh/ti0MzkcKC8jrp8U5PVRBxEKQv7hJ6B/5onObT6TDlhBlyDIZQ+OyICY4jhx1Npg6f6RhEmEii94TaYd8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=e2IxxChb; 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="e2IxxChb" 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-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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); } =20 -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] =3D MAX_DMA32_PFN; #endif max_zone_pfns[ZONE_NORMAL] =3D max_low_pfn; +} + +void __init paging_init(void) +{ + unsigned long max_zone_pfns[MAX_NR_ZONES]; =20 + arch_zone_limits_init(max_zone_pfns); free_area_init(max_zone_pfns); } =20 --=20 2.51.0