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 X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6B25FC3A5A5 for ; Mon, 2 Sep 2019 14:11:01 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 3A8A221744 for ; Mon, 2 Sep 2019 14:11:01 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3A8A221744 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id F166C6B0006; Mon, 2 Sep 2019 10:10:56 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id D4FD66B000C; Mon, 2 Sep 2019 10:10:56 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id BD2416B0008; Mon, 2 Sep 2019 10:10:56 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0088.hostedemail.com [216.40.44.88]) by kanga.kvack.org (Postfix) with ESMTP id 778856B0007 for ; Mon, 2 Sep 2019 10:10:56 -0400 (EDT) Received: from smtpin29.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with SMTP id 0E490180AD7C3 for ; Mon, 2 Sep 2019 14:10:56 +0000 (UTC) X-FDA: 75890166912.29.basin80_424a036a5491e X-HE-Tag: basin80_424a036a5491e X-Filterd-Recvd-Size: 5107 Received: from mx1.suse.de (mx2.suse.de [195.135.220.15]) by imf10.hostedemail.com (Postfix) with ESMTP for ; Mon, 2 Sep 2019 14:10:55 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 18AAFAD05; Mon, 2 Sep 2019 14:10:54 +0000 (UTC) From: Nicolas Saenz Julienne To: catalin.marinas@arm.com, hch@lst.de, wahrenst@gmx.net, marc.zyngier@arm.com, robh+dt@kernel.org, linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org Cc: f.fainelli@gmail.com, will@kernel.org, robin.murphy@arm.com, nsaenzjulienne@suse.de, mbrugger@suse.com, linux-rpi-kernel@lists.infradead.org, phill@raspberrypi.org, m.szyprowski@samsung.com Subject: [PATCH v3 2/4] arm64: rename variables used to calculate ZONE_DMA32's size Date: Mon, 2 Sep 2019 16:10:40 +0200 Message-Id: <20190902141043.27210-3-nsaenzjulienne@suse.de> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20190902141043.27210-1-nsaenzjulienne@suse.de> References: <20190902141043.27210-1-nsaenzjulienne@suse.de> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Let the name indicate that they are used to calculate ZONE_DMA32's size as opposed to ZONE_DMA. Signed-off-by: Nicolas Saenz Julienne --- Changes in v3: None Changes in v2: None arch/arm64/mm/init.c | 30 +++++++++++++++--------------- 1 file changed, 15 insertions(+), 15 deletions(-) diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c index 6112d6c90fa8..8956c22634dd 100644 --- a/arch/arm64/mm/init.c +++ b/arch/arm64/mm/init.c @@ -50,7 +50,7 @@ s64 memstart_addr __ro_after_init =3D -1; EXPORT_SYMBOL(memstart_addr); =20 -phys_addr_t arm64_dma_phys_limit __ro_after_init; +phys_addr_t arm64_dma32_phys_limit __ro_after_init; =20 #ifdef CONFIG_KEXEC_CORE /* @@ -168,7 +168,7 @@ static void __init reserve_elfcorehdr(void) * currently assumes that for memory starting above 4G, 32-bit devices w= ill * use a DMA offset. */ -static phys_addr_t __init max_zone_dma_phys(void) +static phys_addr_t __init max_zone_dma32_phys(void) { phys_addr_t offset =3D memblock_start_of_DRAM() & GENMASK_ULL(63, 32); return min(offset + (1ULL << 32), memblock_end_of_DRAM()); @@ -181,7 +181,7 @@ static void __init zone_sizes_init(unsigned long min,= unsigned long max) unsigned long max_zone_pfns[MAX_NR_ZONES] =3D {0}; =20 #ifdef CONFIG_ZONE_DMA32 - max_zone_pfns[ZONE_DMA32] =3D PFN_DOWN(arm64_dma_phys_limit); + max_zone_pfns[ZONE_DMA32] =3D PFN_DOWN(arm64_dma32_phys_limit); #endif max_zone_pfns[ZONE_NORMAL] =3D max; =20 @@ -194,16 +194,16 @@ static void __init zone_sizes_init(unsigned long mi= n, unsigned long max) { struct memblock_region *reg; unsigned long zone_size[MAX_NR_ZONES], zhole_size[MAX_NR_ZONES]; - unsigned long max_dma =3D min; + unsigned long max_dma32 =3D min; =20 memset(zone_size, 0, sizeof(zone_size)); =20 /* 4GB maximum for 32-bit only capable devices */ #ifdef CONFIG_ZONE_DMA32 - max_dma =3D PFN_DOWN(arm64_dma_phys_limit); - zone_size[ZONE_DMA32] =3D max_dma - min; + max_dma32 =3D PFN_DOWN(arm64_dma32_phys_limit); + zone_size[ZONE_DMA32] =3D max_dma32 - min; #endif - zone_size[ZONE_NORMAL] =3D max - max_dma; + zone_size[ZONE_NORMAL] =3D max - max_dma32; =20 memcpy(zhole_size, zone_size, sizeof(zhole_size)); =20 @@ -215,14 +215,14 @@ static void __init zone_sizes_init(unsigned long mi= n, unsigned long max) continue; =20 #ifdef CONFIG_ZONE_DMA32 - if (start < max_dma) { - unsigned long dma_end =3D min(end, max_dma); + if (start < max_dma32) { + unsigned long dma_end =3D min(end, max_dma32); zhole_size[ZONE_DMA32] -=3D dma_end - start; } #endif - if (end > max_dma) { + if (end > max_dma32) { unsigned long normal_end =3D min(end, max); - unsigned long normal_start =3D max(start, max_dma); + unsigned long normal_start =3D max(start, max_dma32); zhole_size[ZONE_NORMAL] -=3D normal_end - normal_start; } } @@ -407,9 +407,9 @@ void __init arm64_memblock_init(void) =20 /* 4GB maximum for 32-bit only capable devices */ if (IS_ENABLED(CONFIG_ZONE_DMA32)) - arm64_dma_phys_limit =3D max_zone_dma_phys(); + arm64_dma32_phys_limit =3D max_zone_dma32_phys(); else - arm64_dma_phys_limit =3D PHYS_MASK + 1; + arm64_dma32_phys_limit =3D PHYS_MASK + 1; =20 reserve_crashkernel(); =20 @@ -417,7 +417,7 @@ void __init arm64_memblock_init(void) =20 high_memory =3D __va(memblock_end_of_DRAM() - 1) + 1; =20 - dma_contiguous_reserve(arm64_dma_phys_limit); + dma_contiguous_reserve(arm64_dma32_phys_limit); } =20 void __init bootmem_init(void) @@ -521,7 +521,7 @@ static void __init free_unused_memmap(void) void __init mem_init(void) { if (swiotlb_force =3D=3D SWIOTLB_FORCE || - max_pfn > (arm64_dma_phys_limit >> PAGE_SHIFT)) + max_pfn > (arm64_dma32_phys_limit >> PAGE_SHIFT)) swiotlb_init(1); else swiotlb_force =3D SWIOTLB_NO_FORCE; --=20 2.23.0