From nobody Mon Apr 6 07:50:56 2026 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 7A181ECAAD8 for ; Fri, 16 Sep 2022 07:25:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230326AbiIPHZG (ORCPT ); Fri, 16 Sep 2022 03:25:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49610 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230109AbiIPHXs (ORCPT ); Fri, 16 Sep 2022 03:23:48 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 20E10A50E2 for ; Fri, 16 Sep 2022 00:23:47 -0700 (PDT) Received: from canpemm500002.china.huawei.com (unknown [172.30.72.53]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4MTQSY1KpqzmVRN; Fri, 16 Sep 2022 15:19:57 +0800 (CST) Received: from huawei.com (10.175.124.27) by canpemm500002.china.huawei.com (7.192.104.244) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Fri, 16 Sep 2022 15:23:43 +0800 From: Miaohe Lin To: , , , CC: , , , Subject: [PATCH v2 16/16] mm/page_alloc: fix obsolete comment in deferred_pfn_valid() Date: Fri, 16 Sep 2022 15:22:57 +0800 Message-ID: <20220916072257.9639-17-linmiaohe@huawei.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20220916072257.9639-1-linmiaohe@huawei.com> References: <20220916072257.9639-1-linmiaohe@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.175.124.27] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To canpemm500002.china.huawei.com (7.192.104.244) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" There are no architectures that can have holes in the memory map within a pageblock since commit 859a85ddf90e ("mm: remove pfn_valid_within() and CONFIG_HOLES_IN_ZONE"). Update the corresponding comment. Signed-off-by: Miaohe Lin Reviewed-by: David Hildenbrand Reviewed-by: Anshuman Khandual Reviewed-by: Oscar Salvador --- mm/page_alloc.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 3d2ad5c197d5..d7b20bf09c1c 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -1929,11 +1929,7 @@ static inline void __init pgdat_init_report_one_done= (void) /* * Returns true if page needs to be initialized or freed to buddy allocato= r. * - * First we check if pfn is valid on architectures where it is possible to= have - * holes within pageblock_nr_pages. On systems where it is not possible, t= his - * function is optimized out. - * - * Then, we check if a current large page is valid by only checking the va= lidity + * We check if a current large page is valid by only checking the validity * of the head pfn. */ static inline bool __init deferred_pfn_valid(unsigned long pfn) --=20 2.23.0