From nobody Sun Feb 8 15:29:14 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 7E7E52DF126; Fri, 2 Jan 2026 07:03:31 +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=1767337411; cv=none; b=r5HOzKPYnV64UsdzeoD2KIaaNPzqRnRYJocyQTli3vvop2ZKhTwtMOQdgBF/wDJkbamtP7wKME4IIvw0Sx6mcewpPX0TWs6g0GgM6rmDXgx13iaOH8gj5AUKeweQ93eHevMJmAPIt97+YpfT/2iqqMnOZeKdJB9xc1BrW2fVlJw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767337411; c=relaxed/simple; bh=QDpPHL1GPSMeFEARdEipDTbBSW8I0pBG6cArIIAQB88=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=X7mONTk7oM/Id+eKGFGIQww+WtXE6Fd7Y+qtCNRmgymKDTOapEclJ3PhGCRt/8kZZuicstZsyQpOOJgfOHTM8UjdQJv/KpgOGOJx9rLquA9Nu6Yc8ivQnq5CGFyI+xKsXOwN+QWwbTq5U5HAw933gBxlNKssGwvA0idkGNSujSI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=c+po2WfJ; 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="c+po2WfJ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 86A1FC116D0; Fri, 2 Jan 2026 07:03:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767337411; bh=QDpPHL1GPSMeFEARdEipDTbBSW8I0pBG6cArIIAQB88=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=c+po2WfJ5cf6Y//AOAe02jsKCXLL1vmZoxuQ1QHcBvThXBKTFEQQ2OnGwxTOkmmIw j4tzubZIqYEK7dRkiyIikFmnnyvXkd7McLgLBkp+K2QPwvdpxhnyk05gqTi34xwrvH AUQTsnMF8v0vz/rUkG/myY/O6NPP9P6zB5AvSlXDH0jyaAXOaCAmujV+5S9z64t+Zc z1uw8GcOCKnLIlwsVK2vFCMVLFiCIxxqeq7T4jQ6ku69bwg4Bo+lmmqqz+ng+UMbt1 xT/vHjxJBRXmMHCojw/k2DTg6RnLsqUbGkQVdt0owk5pNwGBzW2iAePwwxGNIYhBx6 z4vj6qkfA9hdg== 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 v2 13/28] parisc: introduce arch_zone_limits_init() Date: Fri, 2 Jan 2026 08:59:49 +0200 Message-ID: <20260102070005.65328-14-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> 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) Acked-by: Helge Deller --- arch/parisc/mm/init.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c index 14270715d754..dc5bd3efe738 100644 --- a/arch/parisc/mm/init.c +++ b/arch/parisc/mm/init.c @@ -693,12 +693,16 @@ static void __init fixmap_init(void) } while (addr < end); } =20 +void __init arch_zone_limits_init(unsigned long *max_zone_pfns) +{ + max_zone_pfns[ZONE_NORMAL] =3D PFN_DOWN(memblock_end_of_DRAM()); +} + static void __init parisc_bootmem_free(void) { unsigned long max_zone_pfn[MAX_NR_ZONES] =3D { 0, }; =20 - max_zone_pfn[0] =3D memblock_end_of_DRAM(); - + arch_zone_limits_init(max_zone_pfn); free_area_init(max_zone_pfn); } =20 --=20 2.51.0