From patchwork Thu Apr 14 10:13:12 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: mawupeng X-Patchwork-Id: 561262 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C618EC43219 for ; Thu, 14 Apr 2022 09:54:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233679AbiDNJ5N (ORCPT ); Thu, 14 Apr 2022 05:57:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51390 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242046AbiDNJ5E (ORCPT ); Thu, 14 Apr 2022 05:57:04 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 84AA614018; Thu, 14 Apr 2022 02:54:39 -0700 (PDT) Received: from dggpemm500023.china.huawei.com (unknown [172.30.72.55]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4KfF9m0WzxzFprV; Thu, 14 Apr 2022 17:52:12 +0800 (CST) Received: from dggpemm500014.china.huawei.com (7.185.36.153) by dggpemm500023.china.huawei.com (7.185.36.83) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Thu, 14 Apr 2022 17:54:37 +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 15.1.2375.24; Thu, 14 Apr 2022 17:54:36 +0800 From: Wupeng Ma To: , , , CC: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Subject: [PATCH v2 7/9] mm: Calc the right pfn if page size is not 4K Date: Thu, 14 Apr 2022 18:13:12 +0800 Message-ID: <20220414101314.1250667-8-mawupeng1@huawei.com> X-Mailer: git-send-email 2.18.0.huawei.25 In-Reply-To: <20220414101314.1250667-1-mawupeng1@huawei.com> References: <20220414101314.1250667-1-mawupeng1@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.112.125] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To dggpemm500014.china.huawei.com (7.185.36.153) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-efi@vger.kernel.org From: Ma Wupeng Previous 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 replace it with PHYS_PFN(SZ_4G). Signed-off-by: Ma Wupeng Reviewed-by: David Hildenbrand Reviewed-by: Anshuman Khandual Acked-by: Ard Biesheuvel --- 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 6e5b4488a0c5..570d0ebf98df 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -7870,7 +7870,7 @@ 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 < PHYS_PFN(SZ_4G)) { mem_below_4gb_not_mirrored = true; continue; }