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[94.175.9.129]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-4324eaa4749sm89007161f8f.37.2026.01.02.21.36.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 02 Jan 2026 21:36:28 -0800 (PST) Date: Sat, 3 Jan 2026 05:36:26 +0000 From: Stafford Horne To: Mike Rapoport Cc: Andrew Morton , 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 , Muchun Song , Oscar Salvador , Palmer Dabbelt , Pratyush Yadav , Richard Weinberger , Russell King , 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: Re: [PATCH v2 12/28] openrisc: introduce arch_zone_limits_init() Message-ID: References: <20260102070005.65328-1-rppt@kernel.org> <20260102070005.65328-13-rppt@kernel.org> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260102070005.65328-13-rppt@kernel.org> On Fri, Jan 02, 2026 at 08:59:48AM +0200, Mike Rapoport wrote: > 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); > } Thanks, this looks like a good cleanup. Acked-by: Stafford Horne