From nobody Sun Feb 8 11:44:54 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 4BA4D23A564; Sun, 11 Jan 2026 08:25:56 +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=1768119956; cv=none; b=LpMXcVofPWNXSV7ZDAmNjR9DDLulPxqqiTU6VQHkpGmlkmkZFx9xX+nnecSq0Wb4OWZAsAI7cQ7xglmdnbKWt1ZwOxKj2fw1dbGqtDpTbScXO58KOvJZc4GVHao4TPKW0ha1jzy/0+3dzFr/XjrGWD/KIzslQvFgFdhp4wTEflA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768119956; c=relaxed/simple; bh=8ogz7O8vNIuYttKuy/nGG2q6czMHDvEeQHxuChR5AAc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=rkXN266Zx9+Kj8/qTAO3JzTPjL74TKoMx9u78z80qQqQzWSwY8SdeXiUWhuqCBKTCm4M64FBvH1U2X4HIv7/Z1ANZDZFfg0hmsDznAcc9MJO9YmKZaZg9MWb4Q8L5ADGsynVaZi7iWw1GX8m9G13pWbv8oLRfv3VA4XuHB4L7L0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Vx9CZF9X; 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="Vx9CZF9X" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5D130C16AAE; Sun, 11 Jan 2026 08:25:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768119956; bh=8ogz7O8vNIuYttKuy/nGG2q6czMHDvEeQHxuChR5AAc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Vx9CZF9X+r6FjCSdphAFLRUwQBjPzpcpTP1svlo74Z1zpu35asFTu76lv4/ExSZCO QinlSs5dw1egxaQ3D6u/Wecjs4+oXzXRvVhgln/TIxyQ/SySTsoAPtUbEkqpHXgydE o0hCrmlWxImpzttux7/U98aTXPChABKFYpihhavzXT97ij//8Nqr0v0/ZJZ0vcsmol OsGtAGYp7WlLshpxExCRChU6we4lXZT0H7/dFupPg9DFhyYxm5kIqI5sjyM2gMQjUp CVn/rfpc+W6EoH4dECwOXVOCVcWhHXWVAjMAdtnIQmuArEGRcdx8gH0LPFezkkSTO1 1Ryd+DGSCZgyA== 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 18/29] sh: introduce arch_zone_limits_init() Date: Sun, 11 Jan 2026 10:20:52 +0200 Message-ID: <20260111082105.290734-19-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/sh/mm/init.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c index 99e302eeeec1..5e7e63642611 100644 --- a/arch/sh/mm/init.c +++ b/arch/sh/mm/init.c @@ -264,6 +264,11 @@ static void __init early_reserve_mem(void) reserve_crashkernel(); } =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 max_zone_pfns[MAX_NR_ZONES]; @@ -322,7 +327,7 @@ void __init paging_init(void) kmap_coherent_init(); =20 memset(max_zone_pfns, 0, sizeof(max_zone_pfns)); - max_zone_pfns[ZONE_NORMAL] =3D max_low_pfn; + arch_zone_limits_init(max_zone_pfns); free_area_init(max_zone_pfns); } =20 --=20 2.51.0