From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5D4B4E784BE for ; Sun, 28 Dec 2025 12:44:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=BLwdmiOlIwIAPwaq2MYrnuzP2tIK66KDmqIel3SygcQ=; b=JrtE22HTeS4jE6 W0uT4NRIHRj7HYdpXvOU/HNApdrRKvbVJNC9HJFd9yRlLt/Jhy6dX/YYfTDm0o0QAN51h4RXUlpgk 2F53HYKaKc4fG53hGpOxAPxdVrr98iZxFLoyLWDJS2ArBx28FKmGa/A+bWEP+Qdu5TatkOlQ1LhGm 8UFiDWOPVPHuSxu1mpkvhem6bNvbLmTFVMLOutKG7hYy+Ct/he/iA+2hHr2OVw21ED6F5nEFKUpcn XinVKIZgCqAeR8+GWbXZ0nRTnrfH6wapAx9usdGJBdQHI4O3TySJVa8cpre55dPZoZqKL1kCdHvMa rfam0Hf4332UW71SMO7A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vZq82-00000002j8I-3N4m; Sun, 28 Dec 2025 12:44:10 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vZq80-00000002j6Q-3pLn; Sun, 28 Dec 2025 12:44:09 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 3696360055; Sun, 28 Dec 2025 12:44:08 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 59E76C113D0; Sun, 28 Dec 2025 12:43:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1766925847; bh=hFJveYfaCrIw0+iDVEP3vQL9fd/XBHyX+JYd2Rm0RhA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kX1tH8xu8fKTmLElV+Ey//It2pZKIYbMncEH5eVdxPV2oIrkBu88dyLUy4m+tV/2+ 4hRMLMU7QmhsnoNobK/9yAeGyjsmucFteCKibC0xXA2D/GG0XZtG/7MZZ2dvUpP7fC W8a0Mxl9ueIBoaw/I5gZIktnQ0edykaozyvx1Eeas62HtaT5rEozwIEF2N/x5he/5s p8aAbOXD0cWB7kkbmnME+Gv9/f1qNKTzq5XU6khJIYF7EwVq+t9l3mwp75QD1dLwhF 55GxnQ44wVtHP/8UGnOJUPZmXjfsBwUmWOgvrirlKzPliKnyhOhwnGaXJHl9rUecMy NKxtq6wIqtctw== 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 16/28] s390: introduce arch_zone_limits_init() Date: Sun, 28 Dec 2025 14:39:46 +0200 Message-ID: <20251228124001.3624742-17-rppt@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251228124001.3624742-1-rppt@kernel.org> References: <20251228124001.3624742-1-rppt@kernel.org> MIME-Version: 1.0 X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org 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/s390/mm/init.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c index e4953453d254..1c11ad84dddb 100644 --- a/arch/s390/mm/init.c +++ b/arch/s390/mm/init.c @@ -86,6 +86,12 @@ static void __init setup_zero_pages(void) zero_page_mask = ((PAGE_SIZE << order) - 1) & PAGE_MASK; } +void __init arch_zone_limits_init(unsigned long *max_zone_pfns) +{ + max_zone_pfns[ZONE_DMA] = virt_to_pfn(MAX_DMA_ADDRESS); + max_zone_pfns[ZONE_NORMAL] = max_low_pfn; +} + /* * paging_init() sets up the page tables */ @@ -97,8 +103,7 @@ void __init paging_init(void) sparse_init(); zone_dma_limit = DMA_BIT_MASK(31); memset(max_zone_pfns, 0, sizeof(max_zone_pfns)); - max_zone_pfns[ZONE_DMA] = virt_to_pfn(MAX_DMA_ADDRESS); - max_zone_pfns[ZONE_NORMAL] = max_low_pfn; + arch_zone_limits_init(max_zone_pfns); free_area_init(max_zone_pfns); } -- 2.51.0 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv