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dkim-atps=neutral Received: from merlin.infradead.org (merlin.infradead.org [IPv6:2001:8b0:10b:1231::1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4CL8hF4prVz9sTq for ; Tue, 27 Oct 2020 22:32:45 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=56ySxfDfSZS8tj1P7oq8jtEkKUs+8UsaeT0F3Ehn6ok=; b=W6SXvDe7Lmnu1kW/0amxBwEhE 2S3cd05rNzGtzZRinSNCIhPNBJ37xgeafFq8J1fXBUBGrsYlQdmc6hlKPC3KOWcpeZ4mgKfXT8kXT hrAE41YXdXiCn180pXBymNl65D1tiavdwZNX71hObGiKJeFt2D3UoIdPvOyoPqypgMCXXQWFs/zi7 cEOUDbLTdOJQKFWIX5F30D25Y+Rb21kFTen5XsTAq58cKI3dlbq7d6guxOdwrKze4Pw2TwpZOuq4K zCnqQUUGZav9nqOPeoZZ77Aij9o1jk1vPcv01QcEIAjRmtJQ+8UtpGmoOjqQaPa3aXzD2UdaK4SWH 1/xTYjCqQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kXNDU-0003aT-Qh; Tue, 27 Oct 2020 11:32:40 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kXNBa-0002gm-DX; Tue, 27 Oct 2020 11:30:44 +0000 Received: from aquarius.haifa.ibm.com (nesher1.haifa.il.ibm.com [195.110.40.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id CB59A22281; Tue, 27 Oct 2020 11:30:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603798240; bh=zMhqm8rA573QnfAHp47KPpfQjEAK86ZwGGp3h7Y8/nM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Med5KL2zkjMxterKJZniLEjo4BIzhHhgT6HgAMNsbvonXdJY7u40R/x4+1OSF9GE7 LChGpBLJOdrRDG9kOKjYwj+MramGx6Oq6wnwsevfwAsGL/4dNKzZQLvtR1zZxlGMlK qqfpH5SpV9PstSpmH/z20c6VNNqNSgLNbLEQqF60= From: Mike Rapoport To: Andrew Morton Subject: [PATCH 05/13] ia64: split virtual map initialization out of paging_init() Date: Tue, 27 Oct 2020 13:29:47 +0200 Message-Id: <20201027112955.14157-6-rppt@kernel.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201027112955.14157-1-rppt@kernel.org> References: <20201027112955.14157-1-rppt@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201027_073042_757901_499989FC X-CRM114-Status: GOOD ( 16.30 ) X-Spam-Score: -5.2 (-----) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-5.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at https://www.dnswl.org/, high trust [198.145.29.99 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.0 DKIMWL_WL_HIGH DKIMwl.org - High trust sender X-BeenThere: linux-snps-arc@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on Synopsys ARC Processors List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-ia64@vger.kernel.org, linux-doc@vger.kernel.org, Catalin Marinas , linux-mm@kvack.org, Will Deacon , Greg Ungerer , Jonathan Corbet , Meelis Roos , Russell King , Mike Rapoport , Geert Uytterhoeven , Matt Turner , linux-snps-arc@lists.infradead.org, Alexey Dobriyan , linux-m68k@lists.linux-m68k.org, John Paul Adrian Glaubitz , linux-arm-kernel@lists.infradead.org, Michael Schmitz , Tony Luck , Vineet Gupta , linux-kernel@vger.kernel.org, linux-alpha@vger.kernel.org, linux-fsdevel@vger.kernel.org, Mike Rapoport Sender: "linux-snps-arc" Errors-To: linux-snps-arc-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org From: Mike Rapoport For both FLATMEM and DISCONTIGMEM/SPARSEMEM the virtual map initialization is spread over paging_init() for no good reason. Split out the bits related to virtual map initialization to a helper functions, one for FLATMEM and another for !FLATMEM configurations. Signed-off-by: Mike Rapoport --- arch/ia64/mm/contig.c | 34 ++++++++++++++++++++-------------- arch/ia64/mm/discontig.c | 37 ++++++++++++++++++++----------------- 2 files changed, 40 insertions(+), 31 deletions(-) diff --git a/arch/ia64/mm/contig.c b/arch/ia64/mm/contig.c index 2491aaeca90c..ba81d8cb0059 100644 --- a/arch/ia64/mm/contig.c +++ b/arch/ia64/mm/contig.c @@ -166,21 +166,8 @@ find_memory (void) alloc_per_cpu_data(); } -/* - * Set up the page tables. - */ - -void __init -paging_init (void) +static void __init virtual_map_init(void) { - unsigned long max_dma; - unsigned long max_zone_pfns[MAX_NR_ZONES]; - - memset(max_zone_pfns, 0, sizeof(max_zone_pfns)); - max_dma = virt_to_phys((void *) MAX_DMA_ADDRESS) >> PAGE_SHIFT; - max_zone_pfns[ZONE_DMA32] = max_dma; - max_zone_pfns[ZONE_NORMAL] = max_low_pfn; - #ifdef CONFIG_VIRTUAL_MEM_MAP efi_memmap_walk(find_largest_hole, (u64 *)&max_gap); if (max_gap < LARGE_GAP) { @@ -206,6 +193,25 @@ paging_init (void) printk("Virtual mem_map starts at 0x%p\n", mem_map); } #endif /* !CONFIG_VIRTUAL_MEM_MAP */ +} + +/* + * Set up the page tables. + */ + +void __init +paging_init (void) +{ + unsigned long max_dma; + unsigned long max_zone_pfns[MAX_NR_ZONES]; + + memset(max_zone_pfns, 0, sizeof(max_zone_pfns)); + max_dma = virt_to_phys((void *) MAX_DMA_ADDRESS) >> PAGE_SHIFT; + max_zone_pfns[ZONE_DMA32] = max_dma; + max_zone_pfns[ZONE_NORMAL] = max_low_pfn; + + virtual_map_init(); + free_area_init(max_zone_pfns); zero_page_memmap_ptr = virt_to_page(ia64_imva(empty_zero_page)); } diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c index f41dcf75887b..c7311131156e 100644 --- a/arch/ia64/mm/discontig.c +++ b/arch/ia64/mm/discontig.c @@ -584,6 +584,25 @@ void call_pernode_memory(unsigned long start, unsigned long len, void *arg) } } +static void __init virtual_map_init(void) +{ +#ifdef CONFIG_VIRTUAL_MEM_MAP + int node; + + VMALLOC_END -= PAGE_ALIGN(ALIGN(max_low_pfn, MAX_ORDER_NR_PAGES) * + sizeof(struct page)); + vmem_map = (struct page *) VMALLOC_END; + efi_memmap_walk(create_mem_map_page_table, NULL); + printk("Virtual mem_map starts at 0x%p\n", vmem_map); + + for_each_online_node(node) { + unsigned long pfn_offset = mem_data[node].min_pfn; + + NODE_DATA(node)->node_mem_map = vmem_map + pfn_offset; + } +#endif +} + /** * paging_init - setup page tables * @@ -593,29 +612,13 @@ void call_pernode_memory(unsigned long start, unsigned long len, void *arg) void __init paging_init(void) { unsigned long max_dma; - unsigned long pfn_offset = 0; - int node; unsigned long max_zone_pfns[MAX_NR_ZONES]; max_dma = virt_to_phys((void *) MAX_DMA_ADDRESS) >> PAGE_SHIFT; sparse_init(); -#ifdef CONFIG_VIRTUAL_MEM_MAP - VMALLOC_END -= PAGE_ALIGN(ALIGN(max_low_pfn, MAX_ORDER_NR_PAGES) * - sizeof(struct page)); - vmem_map = (struct page *) VMALLOC_END; - efi_memmap_walk(create_mem_map_page_table, NULL); - printk("Virtual mem_map starts at 0x%p\n", vmem_map); -#endif - - for_each_online_node(node) { - pfn_offset = mem_data[node].min_pfn; - -#ifdef CONFIG_VIRTUAL_MEM_MAP - NODE_DATA(node)->node_mem_map = vmem_map + pfn_offset; -#endif - } + virtual_map_init(); memset(max_zone_pfns, 0, sizeof(max_zone_pfns)); max_zone_pfns[ZONE_DMA32] = max_dma;