From nobody Sun Feb 8 14:10:52 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 7CAA8316907; Sun, 11 Jan 2026 08:24:10 +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=1768119850; cv=none; b=flanBxqjX6jIDqLnvPxQ/OBRQ5Aj6sDkPbo//5zTl0bbucZ+nmpAo1hSv7kUtkBfL2B8fDrPLU9nQ1ecXCcd7yW3mmFRty2FdamYve0JgmOOil3HVwWRUpMIOpGafNLcuO3GQPH6b4MnyZW1nEl0cX1m72TuNuuGZpKo4spUPBg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768119850; c=relaxed/simple; bh=es+FUCZqCY2a3nIkrdLdpQV/rxxtDtuUgA954vVF+nw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ri3H6JKygJCBbn0KZ28NNE2Gmptj35lyV5sHbRi8tXXzS4wg0QlonLoAt2RGsDp+ANlKCVXltd5mwR//S1BaA9Wt0993M9vw9t6Yni/1nFklw6RaxykYJS0JkNf9xePhdPVf7ppvRkB4OKTUrzCXaolbEUwALFD/l/G/Jj4leD8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=omxz2O/a; 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="omxz2O/a" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7BDCEC4CEF7; Sun, 11 Jan 2026 08:23:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768119850; bh=es+FUCZqCY2a3nIkrdLdpQV/rxxtDtuUgA954vVF+nw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=omxz2O/aNi5ef6cgYnp+37iqiEb04KQOncjs53j7rIMU4VDGgOX2pBVK2nRapJSSP k1CuMOi30eMl+WQajuUXdkhrkdF/m7Tjfpi1B1LrHprBPHjP3Zf1UIt9glL5fkqxUL QQZKUWdSoT9RE+fnq1mBm4qFs6cY5r3sDiVaFaCuBFzDu81I1W78bWXIWVFE2q2L3O YclKYARGBbQMefEdS0nlKYU0XZKLXlE5121MF4WFj42HdvBhME3uC89Nz4eJFFnmrO wu9spXNqayKnIkf8mX9sEG4xfajwEuCKqQPc6BysjXlagd9N7BdqHLEKZvZtn8KDOr Z9iZjeEhDIZ/g== 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 , Klara Modin , "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 , Ritesh Harjani , 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 v3 11/29] mips: introduce arch_zone_limits_init() Date: Sun, 11 Jan 2026 10:20:45 +0200 Message-ID: <20260111082105.290734-12-rppt@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260111082105.290734-1-rppt@kernel.org> References: <20260111082105.290734-1-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/mips/loongson64/numa.c | 9 +++++++-- arch/mips/mm/init.c | 14 +++++++++----- arch/mips/sgi-ip27/ip27-memory.c | 7 ++++++- 3 files changed, 22 insertions(+), 8 deletions(-) diff --git a/arch/mips/loongson64/numa.c b/arch/mips/loongson64/numa.c index 95d5f553ce19..f72a58f87878 100644 --- a/arch/mips/loongson64/numa.c +++ b/arch/mips/loongson64/numa.c @@ -154,13 +154,18 @@ static __init void prom_meminit(void) } } =20 +void __init arch_zone_limits_init(unsigned long *max_zone_pfns) +{ + max_zone_pfns[ZONE_DMA32] =3D MAX_DMA32_PFN; + max_zone_pfns[ZONE_NORMAL] =3D max_low_pfn; +} + void __init paging_init(void) { unsigned long zones_size[MAX_NR_ZONES] =3D {0, }; =20 pagetable_init(); - zones_size[ZONE_DMA32] =3D MAX_DMA32_PFN; - zones_size[ZONE_NORMAL] =3D max_low_pfn; + arch_zone_limits_init(zones_size); free_area_init(zones_size); } =20 diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c index a673d3d68254..ab08249cfede 100644 --- a/arch/mips/mm/init.c +++ b/arch/mips/mm/init.c @@ -394,12 +394,8 @@ void maar_init(void) } =20 #ifndef CONFIG_NUMA -void __init paging_init(void) +void __init arch_zone_limits_init(unsigned long *max_zone_pfns) { - unsigned long max_zone_pfns[MAX_NR_ZONES]; - - pagetable_init(); - #ifdef CONFIG_ZONE_DMA max_zone_pfns[ZONE_DMA] =3D MAX_DMA_PFN; #endif @@ -417,7 +413,15 @@ void __init paging_init(void) max_zone_pfns[ZONE_HIGHMEM] =3D max_low_pfn; } #endif +} + +void __init paging_init(void) +{ + unsigned long max_zone_pfns[MAX_NR_ZONES]; + + pagetable_init(); =20 + arch_zone_limits_init(max_zone_pfns); free_area_init(max_zone_pfns); } =20 diff --git a/arch/mips/sgi-ip27/ip27-memory.c b/arch/mips/sgi-ip27/ip27-mem= ory.c index 2b3e46e2e607..babeb0e07687 100644 --- a/arch/mips/sgi-ip27/ip27-memory.c +++ b/arch/mips/sgi-ip27/ip27-memory.c @@ -406,11 +406,16 @@ void __init prom_meminit(void) } } =20 +void __init arch_zone_limits_init(unsigned long *max_zone_pfns) +{ + max_zone_pfns[ZONE_NORMAL] =3D max_low_pfn; +} + void __init paging_init(void) { unsigned long zones_size[MAX_NR_ZONES] =3D {0, }; =20 pagetable_init(); - zones_size[ZONE_NORMAL] =3D max_low_pfn; + arch_zone_limits_init(zones_size); free_area_init(zones_size); } --=20 2.51.0