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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 89222C4332F for ; Sat, 26 Mar 2022 06:27:52 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id B41A88D0008; Sat, 26 Mar 2022 02:27:46 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id AF0128D0001; Sat, 26 Mar 2022 02:27:46 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 9927E8D0008; Sat, 26 Mar 2022 02:27:46 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0072.hostedemail.com [216.40.44.72]) by kanga.kvack.org (Postfix) with ESMTP id 869638D0001 for ; Sat, 26 Mar 2022 02:27:46 -0400 (EDT) Received: from smtpin22.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 457AE18292029 for ; Sat, 26 Mar 2022 06:27:46 +0000 (UTC) X-FDA: 79285556532.22.D05B274 Received: from szxga08-in.huawei.com (szxga08-in.huawei.com [45.249.212.255]) by imf23.hostedemail.com (Postfix) with ESMTP id 70F4A140005 for ; Sat, 26 Mar 2022 06:27:45 +0000 (UTC) Received: from dggpemm500020.china.huawei.com (unknown [172.30.72.53]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4KQTXM0QM2z1GD24; Sat, 26 Mar 2022 14:27:31 +0800 (CST) Received: from dggpemm500014.china.huawei.com (7.185.36.153) by dggpemm500020.china.huawei.com (7.185.36.49) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.21; Sat, 26 Mar 2022 14:27:43 +0800 Received: from localhost.localdomain (10.175.112.125) by dggpemm500014.china.huawei.com (7.185.36.153) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.21; Sat, 26 Mar 2022 14:27:41 +0800 From: Wupeng Ma To: , , , CC: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Subject: [PATCH 7/9] mm: Calc the right pfn if page size is not 4K Date: Sat, 26 Mar 2022 14:46:30 +0800 Message-ID: <20220326064632.131637-8-mawupeng1@huawei.com> X-Mailer: git-send-email 2.18.0.huawei.25 In-Reply-To: <20220326064632.131637-1-mawupeng1@huawei.com> References: <20220326064632.131637-1-mawupeng1@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.175.112.125] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To dggpemm500014.china.huawei.com (7.185.36.153) X-CFilter-Loop: Reflected X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 70F4A140005 X-Stat-Signature: gn4c5bacboboumksa91j31fi56tacip4 X-Rspam-User: Authentication-Results: imf23.hostedemail.com; dkim=none; dmarc=pass (policy=quarantine) header.from=huawei.com; spf=pass (imf23.hostedemail.com: domain of mawupeng1@huawei.com designates 45.249.212.255 as permitted sender) smtp.mailfrom=mawupeng1@huawei.com X-HE-Tag: 1648276065-411018 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: From: Ma Wupeng Pervious 0x100000 is used to check the 4G limit in find_zone_movable_pfns_for_nodes(). This is right in x86 because the page size can only be 4K. But 16K and 64K are available in arm64. So replate it with SIZE_4G >> PAGE_SHIFT. Signed-off-by: Ma Wupeng --- mm/page_alloc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 6e0b4596cde9..41fd987b5b93 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -7811,7 +7811,7 @@ static void __init find_zone_movable_pfns_for_nodes(void) usable_startpfn = memblock_region_memory_base_pfn(r); - if (usable_startpfn < 0x100000) { + if (usable_startpfn < (SZ_4G >> PAGE_SHIFT)) { mem_below_4gb_not_mirrored = true; continue; } -- 2.18.0.huawei.25