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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 12/28] openrisc: introduce arch_zone_limits_init() Date: Fri, 2 Jan 2026 08:59:48 +0200 Message-ID: <20260102070005.65328-13-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 Content-Transfer-Encoding: 8bit X-Stat-Signature: h1s9pyzwdyyxhq655e4zwgxehbgwfz4y X-Rspam-User: X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 075BB4000F X-HE-Tag: 1767337397-634444 X-HE-Meta: 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 XBfuTvx0 BjLsLyP/J5jKiVPOWyIgtigtX6IyGCwPmF9hKvIMPFQJhOBhvEz27lxHOXI7oewd8Dy15BnUgC/TNdBB7ceZ0RBijO5GoDncy9j1B6Q+IizKBCgc5/jDXdUTc7NvMW5BrfAPcDuBOxal+1B30uqMgKLVDngBiL4vRQ48FZDYasvRsPA6yDayxhJ7me+5NQ0v826i2T1+JA3jbG9DqgIJVXNT/37E/CIz9Gbq49AjnTAurlb1Y7WZ5dUsPKwSRI3F9d8/cHFAEYzl0u+q8vwBxAREcMjoqUIg3kS95 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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/openrisc/mm/init.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/arch/openrisc/mm/init.c b/arch/openrisc/mm/init.c index 9382d9a0ec78..67de93e7a685 100644 --- a/arch/openrisc/mm/init.c +++ b/arch/openrisc/mm/init.c @@ -39,15 +39,19 @@ int mem_init_done; -static void __init zone_sizes_init(void) +void __init arch_zone_limits_init(unsigned long *max_zone_pfns) { - unsigned long max_zone_pfn[MAX_NR_ZONES] = { 0 }; - /* * We use only ZONE_NORMAL */ - max_zone_pfn[ZONE_NORMAL] = max_low_pfn; + max_zone_pfns[ZONE_NORMAL] = max_low_pfn; +} + +static void __init zone_sizes_init(void) +{ + unsigned long max_zone_pfn[MAX_NR_ZONES] = { 0 }; + arch_zone_limits_init(max_zone_pfn); free_area_init(max_zone_pfn); } -- 2.51.0